diff --git a/Cargo.lock b/Cargo.lock
index dbcbf7c..17ef4d8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -20,6 +20,55 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "anstream"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ca84f3628370c59db74ee214b3263d58f9aadd9b4fe7e711fd87dc452b7f163"
+dependencies = [
+ "anstyle",
+ "anstyle-parse",
+ "anstyle-query",
+ "anstyle-wincon",
+ "colorchoice",
+ "is-terminal",
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41ed9a86bf92ae6580e0a31281f65a1b1d867c0cc68d5346e2ae128dddfa6a7d"
+
+[[package]]
+name = "anstyle-parse"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e765fd216e48e067936442276d1d57399e37bce53c264d6fefbe298080cb57ee"
+dependencies = [
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle-query"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5ca11d4be1bab0c8bc8734a9aa7bf4ee8316d462a08c6ac5052f888fef5b494b"
+dependencies = [
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "anstyle-wincon"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "180abfa45703aebe0093f79badacc01b8fd4ea2e35118747e5811127f926e188"
+dependencies = [
+ "anstyle",
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "anyhow"
 version = "1.0.57"
@@ -46,7 +95,7 @@ version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
 dependencies = [
- "hermit-abi",
+ "hermit-abi 0.1.19",
  "libc",
  "winapi",
 ]
@@ -80,6 +129,12 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c4872d67bab6358e59559027aa3b9157c53d9358c51423c17554809a8858e0f8"
 
+[[package]]
+name = "cc"
+version = "1.0.79"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50d30906286121d95be3d479533b458f87493b30a4b5f79a607db8f5d11aa91f"
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -101,42 +156,52 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "3.1.18"
+version = "4.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2dbdf4bdacb33466e854ce889eee8dfd5729abf7ccd7664d0a2d60cd384440b"
+checksum = "80672091db20273a15cf9fdd4e47ed43b5091ec9841bf4c6145c9dfbbcae09ed"
 dependencies = [
- "atty",
- "bitflags",
+ "clap_builder",
  "clap_derive",
+ "once_cell",
+]
+
+[[package]]
+name = "clap_builder"
+version = "4.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1458a1df40e1e2afebb7ab60ce55c1fa8f431146205aa5f4887e0b111c27636"
+dependencies = [
+ "anstream",
+ "anstyle",
+ "bitflags",
  "clap_lex",
- "indexmap",
- "lazy_static",
  "strsim",
- "termcolor",
- "textwrap",
+ "terminal_size",
 ]
 
 [[package]]
 name = "clap_derive"
-version = "3.1.18"
+version = "4.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "25320346e922cffe59c0bbc5410c8d8784509efb321488971081313cb1e1a33c"
+checksum = "b8cd2b2a819ad6eec39e8f1d6b53001af1e5469f8c177579cdaeb313115b825f"
 dependencies = [
  "heck 0.4.0",
- "proc-macro-error",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.18",
 ]
 
 [[package]]
 name = "clap_lex"
-version = "0.2.0"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a37c35f1112dad5e6e0b1adaff798507497a18fceeb30cceb3bae7d1427b9213"
-dependencies = [
- "os_str_bytes",
-]
+checksum = "2da6da31387c7e4ef160ffab6d5e7f00c42626fe39aea70a7b0f1773f7dd6c1b"
+
+[[package]]
+name = "colorchoice"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
 
 [[package]]
 name = "combine"
@@ -204,7 +269,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f877be4f7c9f246b183111634f75baa039715e3f46ce860677d3b19a69fb229c"
 dependencies = [
  "quote",
- "syn",
+ "syn 1.0.95",
 ]
 
 [[package]]
@@ -258,6 +323,27 @@ version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
 
+[[package]]
+name = "errno"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4bcfec3a70f97c962c307b2d2c56e358cf1d00b558d74262b5f929ee8cc7e73a"
+dependencies = [
+ "errno-dragonfly",
+ "libc",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "errno-dragonfly"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aa68f1b12764fab894d2755d2518754e71b4fd80ecfb822714a1206c2aab39bf"
+dependencies = [
+ "cc",
+ "libc",
+]
+
 [[package]]
 name = "etcetera"
 version = "0.3.2"
@@ -325,6 +411,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "hermit-abi"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fed44880c466736ef9a5c5b5facefb5ed0785676d0c02d612db14e54f0d84286"
+
 [[package]]
 name = "indexmap"
 version = "1.8.1"
@@ -342,6 +434,29 @@ version = "1.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "05a0bd019339e5d968b37855180087b7b9d512c5046fbd244cf8c95687927d6e"
 
+[[package]]
+name = "io-lifetimes"
+version = "1.0.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eae7b9aee968036d54dce06cebaefd919e4472e753296daccd6d344e3e2df0c2"
+dependencies = [
+ "hermit-abi 0.3.1",
+ "libc",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "is-terminal"
+version = "0.4.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "adcf93614601c8129ddf72e2d5633df827ba6551541c6d8c59520a371475be1f"
+dependencies = [
+ "hermit-abi 0.3.1",
+ "io-lifetimes",
+ "rustix",
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "itertools"
 version = "0.10.3"
@@ -359,9 +474,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.126"
+version = "0.2.146"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "349d5a591cd28b49e1d1037471617a32ddcda5731b99419008085f72d5a53836"
+checksum = "f92be4933c13fd498862a9e02a3055f8a8d9c039ce33db97306fd5a6caa7f29b"
 
 [[package]]
 name = "linked-hash-map"
@@ -369,6 +484,12 @@ version = "0.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7fb9b38af92608140b86b693604b9ffcc5824240a484d1ecd4795bacb2fe88f3"
 
+[[package]]
+name = "linux-raw-sys"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ef53942eb7bf7ff43a617b3e2c1c4a5ecf5944a7c1bc12d7ee39bbb15e5c1519"
+
 [[package]]
 name = "lock_api"
 version = "0.4.7"
@@ -403,7 +524,7 @@ dependencies = [
  "libc",
  "log",
  "wasi 0.11.0+wasi-snapshot-preview1",
- "windows-sys",
+ "windows-sys 0.36.1",
 ]
 
 [[package]]
@@ -437,12 +558,6 @@ version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7709cef83f0c1f58f666e746a08b21e0085f7440fa6a29cc194d68aac97a4225"
 
-[[package]]
-name = "os_str_bytes"
-version = "6.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "21326818e99cfe6ce1e524c2a805c189a99b5ae555a35d19f9a284b427d86afa"
-
 [[package]]
 name = "output_vt100"
 version = "0.1.3"
@@ -472,7 +587,7 @@ dependencies = [
  "libc",
  "redox_syscall",
  "smallvec",
- "windows-sys",
+ "windows-sys 0.36.1",
 ]
 
 [[package]]
@@ -545,44 +660,20 @@ dependencies = [
  "output_vt100",
 ]
 
-[[package]]
-name = "proc-macro-error"
-version = "1.0.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
-dependencies = [
- "proc-macro-error-attr",
- "proc-macro2",
- "quote",
- "syn",
- "version_check",
-]
-
-[[package]]
-name = "proc-macro-error-attr"
-version = "1.0.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
-dependencies = [
- "proc-macro2",
- "quote",
- "version_check",
-]
-
 [[package]]
 name = "proc-macro2"
-version = "1.0.39"
+version = "1.0.60"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c54b25569025b7fc9651de43004ae593a75ad88543b17178aa5e1b9c4f15f56f"
+checksum = "dec2b086b7a862cf4de201096214fa870344cf922b2b30c167badb3af3195406"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.18"
+version = "1.0.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1feb54ed693b93a84e14094943b84b7c4eae204c512b7ccb95ab0c66d278ad1"
+checksum = "1b9ab9c7eadfd8df19006f1cf1a4aed13540ed5cbc047010ece5826e10825488"
 dependencies = [
  "proc-macro2",
 ]
@@ -630,6 +721,20 @@ version = "0.6.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49b3de9ec5dc0a3417da371aab17d729997c15010e7fd24ff707773a33bddb64"
 
+[[package]]
+name = "rustix"
+version = "0.37.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b96e891d04aa506a6d1f318d2771bcb1c7dfda84e126660ace067c9b474bb2c0"
+dependencies = [
+ "bitflags",
+ "errno",
+ "io-lifetimes",
+ "libc",
+ "linux-raw-sys",
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "rustversion"
 version = "1.0.6"
@@ -638,7 +743,7 @@ checksum = "f2cc38e8fa666e2de3c4aba7edeb5ffc5246c1c2ed0e3d17e560aeeba736b23f"
 
 [[package]]
 name = "sauce"
-version = "0.8.0"
+version = "0.9.0"
 dependencies = [
  "ansi_term",
  "anyhow",
@@ -685,7 +790,7 @@ checksum = "1f26faba0c3959972377d3b2d306ee9f71faee9714294e41bb777f83f88578be"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.95",
 ]
 
 [[package]]
@@ -756,7 +861,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "rustversion",
- "syn",
+ "syn 1.0.95",
 ]
 
 [[package]]
@@ -781,25 +886,31 @@ dependencies = [
 ]
 
 [[package]]
-name = "termcolor"
-version = "1.1.3"
+name = "syn"
+version = "2.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bab24d30b911b2376f3a13cc2cd443142f0c81dda04c118693e35b3835757755"
+checksum = "32d41677bcbe24c20c52e7c70b0d8db04134c5d1066bf98662e2871ad200ea3e"
 dependencies = [
- "winapi-util",
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
 ]
 
 [[package]]
-name = "termtree"
-version = "0.2.4"
+name = "terminal_size"
+version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "507e9898683b6c43a9aa55b64259b721b52ba226e0f3779137e50ad114a4c90b"
+checksum = "8e6bf6f19e9f8ed8d4048dc22981458ebcf406d67e94cd422e5ecd73d63b3237"
+dependencies = [
+ "rustix",
+ "windows-sys 0.48.0",
+]
 
 [[package]]
-name = "textwrap"
-version = "0.15.0"
+name = "termtree"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1141d4d61095b28419e22cb0bbf02755f5e54e0526f97f1e3d1d160e60885fb"
+checksum = "507e9898683b6c43a9aa55b64259b721b52ba226e0f3779137e50ad114a4c90b"
 
 [[package]]
 name = "thiserror"
@@ -818,7 +929,7 @@ checksum = "0396bc89e626244658bef819e22d0cc459e795a5ebe878e6ec336d1674a8d79a"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.95",
 ]
 
 [[package]]
@@ -867,10 +978,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39ec24b3121d976906ece63c9daad25b85969647682eee313cb5779fdd69e14e"
 
 [[package]]
-name = "version_check"
-version = "0.9.4"
+name = "utf8parse"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
+checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
 
 [[package]]
 name = "wait-timeout"
@@ -909,15 +1020,6 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 
-[[package]]
-name = "winapi-util"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
-dependencies = [
- "winapi",
-]
-
 [[package]]
 name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
@@ -930,39 +1032,105 @@ version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ea04155a16a59f9eab786fe12a4a450e75cdb175f9e0d80da1e17db09f55b8d2"
 dependencies = [
- "windows_aarch64_msvc",
- "windows_i686_gnu",
- "windows_i686_msvc",
- "windows_x86_64_gnu",
- "windows_x86_64_msvc",
+ "windows_aarch64_msvc 0.36.1",
+ "windows_i686_gnu 0.36.1",
+ "windows_i686_msvc 0.36.1",
+ "windows_x86_64_gnu 0.36.1",
+ "windows_x86_64_msvc 0.36.1",
 ]
 
+[[package]]
+name = "windows-sys"
+version = "0.48.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
+dependencies = [
+ "windows-targets",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.48.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b1eb6f0cd7c80c79759c929114ef071b87354ce476d9d94271031c0497adfd5"
+dependencies = [
+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc 0.48.0",
+ "windows_i686_gnu 0.48.0",
+ "windows_i686_msvc 0.48.0",
+ "windows_x86_64_gnu 0.48.0",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc 0.48.0",
+]
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.48.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91ae572e1b79dba883e0d315474df7305d12f569b400fcf90581b06062f7e1bc"
+
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9bb8c3fd39ade2d67e9874ac4f3db21f0d710bee00fe7cab16949ec184eeaa47"
 
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.48.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b2ef27e0d7bdfcfc7b868b317c1d32c641a6fe4629c171b8928c7b08d98d7cf3"
+
 [[package]]
 name = "windows_i686_gnu"
 version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "180e6ccf01daf4c426b846dfc66db1fc518f074baa793aa7d9b9aaeffad6a3b6"
 
+[[package]]
+name = "windows_i686_gnu"
+version = "0.48.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "622a1962a7db830d6fd0a69683c80a18fda201879f0f447f065a3b7467daa241"
+
 [[package]]
 name = "windows_i686_msvc"
 version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e2e7917148b2812d1eeafaeb22a97e4813dfa60a3f8f78ebe204bcc88f12f024"
 
+[[package]]
+name = "windows_i686_msvc"
+version = "0.48.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4542c6e364ce21bf45d69fdd2a8e455fa38d316158cfd43b3ac1c5b1b19f8e00"
+
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4dcd171b8776c41b97521e5da127a2d86ad280114807d0b2ab1e462bc764d9e1"
 
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.48.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ca2b8a661f7628cbd23440e50b05d705db3686f894fc9580820623656af974b1"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.48.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7896dbc1f41e08872e9d5e8f8baa8fdd2677f29468c4e156210174edc7f7b953"
+
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c811ca4a8c853ef420abd8592ba53ddbbac90410fab6903b3e79972a631f7680"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.48.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a515f5799fe4961cb532f983ce2b23082366b898e52ffbce459c86f67c8378a"
diff --git a/Cargo.toml b/Cargo.toml
index 3b03691..960c8a6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "sauce"
-version = "0.8.0"
+version = "0.9.0"
 authors = ["Dan Cardin <ddcardin@gmail.com>"]
 edition = "2021"
 description = "A tool for managing directory-specific state."
@@ -37,11 +37,15 @@ toml_edit = "0.2.0"
 once_cell = "1.8.0"
 
 [dependencies.clap]
-version = "3.1.18"
+version = "4.3.3"
 features = [
-    "suggestions",
     "color",
     "derive",
+    "error-context",
+    "help",
+    "suggestions",
+    "usage",
+    "wrap_help",
 ]
 
 [dependencies.indexmap]
diff --git a/doc/options.md b/doc/options.md
index 10d04f9..fb9ff0d 100644
--- a/doc/options.md
+++ b/doc/options.md
@@ -15,7 +15,7 @@ Any key-value pair can be tagged with, you might call “namespaces”.
 Consider an env var definition
 
 ```toml
-AWS_PROFILE = {default = "projectname-dev", uat = "projectname-uat", prod = "projectname-prod"}
+AWS_PROFILE = {default = "dev", uat = "uat", prod = "prod"}
 ```
 
 Given `sauce`, you will get the “default” namespace
@@ -26,6 +26,15 @@ Given `sauce --as prod`, you will get the “prod” namespace
 (i.e. AWS_PROFILE=projectname-prod) for this value, as well as all
 other unnamespaced values.
 
+As of v0.9.0, you can supply multiple `--as` arguments, and they will be used to
+choose the first matching value (falling back to "default" if none match).
+
+Per the above example, `sauce --as foo` would produce "dev" and
+`sauce --as uat --as prod` would produce "uat".
+
+If there was no "default" option specified above, then any "namespaced" keys without
+a matching value would be unchanged relative to the current environment.
+
 ## `sauce --glob glob` and `sauce --filter filter`
 
 Either `--glob` and/or `--filter` can be applied in order to filter down
diff --git a/src/cli/run.rs b/src/cli/run.rs
index d4b0fc5..1c9565b 100644
--- a/src/cli/run.rs
+++ b/src/cli/run.rs
@@ -26,7 +26,7 @@ pub fn run() -> Result<()> {
     let filter_options = FilterOptions {
         globs: &parse_match_option(opts.glob.as_deref()),
         filters: &parse_match_option(opts.filter.as_deref()),
-        as_: opts.r#as.as_deref(),
+        as_: opts.r#as,
         target: opts.target.as_deref(),
         filter_exclusions: &[],
     };
@@ -69,7 +69,7 @@ pub fn match_subcommmand(
             match cmd.kind {
                 ShellKinds::Init => context.init_shell(shell_kind, output),
                 ShellKinds::Exec(command) => {
-                    context.execute_shell_command(shell_kind, &*command.command, output)
+                    context.execute_shell_command(shell_kind, &command.command, output)
                 }
             };
         }
diff --git a/src/cli/shape.rs b/src/cli/shape.rs
index 97227d5..46a7997 100644
--- a/src/cli/shape.rs
+++ b/src/cli/shape.rs
@@ -4,65 +4,65 @@ use std::{io::Write, path::PathBuf};
 
 /// Sauce!
 #[derive(Parser, Debug)]
-#[clap(version, author)]
+#[command(version, author)]
 pub struct CliOptions {
     /// Determines the shell behavior, this flag should always be set automatically
     /// by the shell hook. Valid options are: zsh, fish, bash
-    #[clap(long)]
+    #[arg(long)]
     pub shell: ShellName,
 
     /// Supplied during autoload sequence. Not generally useful to end-users.
-    #[clap(long)]
+    #[arg(long)]
     pub autoload: bool,
 
     /// For typical commands such as `sauce` and `sauce clear` this outputs the exact
     /// shell output that would have executed. For mutating commands like `sauce config`
     /// and `sauce set`, the change is printed but not saved.
-    #[clap(long)]
+    #[arg(long)]
     pub show: bool,
 
     /// Valid options: always, never, auto. Auto (default) will attempt to autodetect
     /// whether it should output color based on the existence of a tty.
-    #[clap(long, default_value = "auto")]
+    #[arg(long, default_value = "auto")]
     pub color: ColorStrategy,
 
     /// Enables verbose output. This causes all stdout to be mirrored to stderr.
-    #[clap(short, long)]
+    #[arg(short, long)]
     pub verbose: bool,
 
     /// Disables normal messaging output after a command is executed.
-    #[clap(short, long)]
+    #[arg(short, long)]
     pub quiet: bool,
 
     /// The path which should be sauce'd. Defaults to the current directory.
-    #[clap(short, long)]
+    #[arg(short, long)]
     pub path: Option<PathBuf>,
 
     /// Sets a specific saucefile to load, overriding the default lookup mechanisms and
     /// cascading behavior
-    #[clap(long)]
+    #[arg(long)]
     pub file: Option<PathBuf>,
 
     /// Runs the given command "as" the given "as" namespace.
-    #[clap(short, long)]
-    pub r#as: Option<String>,
+    #[arg(short, long)]
+    pub r#as: Option<Vec<String>>,
 
     /// Filters the set of values to load, allowing globs. By default filters apply to
     /// all targets, but also can use the form "<target>:<glob>" to be more specific.
-    #[clap(short, long)]
+    #[arg(short, long)]
     pub glob: Option<String>,
 
     /// Only use values for a specific target. Essentially this can be thought of
     /// as a shortcut for `-g '<target>:*`.
-    #[clap(short, long)]
+    #[arg(short, long)]
     pub target: Option<String>,
 
     /// Filters the set of values to load, literally. By default filters apply to all
     /// targets, but also can use the form "<target>:<filter>" to be more specific.
-    #[clap(short, long)]
+    #[arg(short, long)]
     pub filter: Option<String>,
 
-    #[clap(subcommand)]
+    #[command(subcommand)]
     pub subcmd: Option<SubCommand>,
 }
 
@@ -109,10 +109,10 @@ pub enum SubCommand {
 
 #[derive(Parser, Debug)]
 pub struct ConfigCommand {
-    #[clap(long, short)]
+    #[arg(long, short)]
     pub global: bool,
 
-    #[clap(parse(try_from_str = crate::cli::utilities::parse_key_val))]
+    #[arg(value_parser = crate::cli::utilities::parse_key_val::<String>)]
     pub values: Vec<(String, String)>,
 }
 
@@ -120,18 +120,18 @@ pub struct ConfigCommand {
 pub struct MoveCommand {
     /// The destination location to which a `sauce` invocation would point.
     /// That is, not the destination saucefile location.
-    #[clap()]
+    #[arg()]
     pub destination: PathBuf,
 
     /// Instead of removing the files at the source location, leave the original
     /// file untouched.
-    #[clap(short, long)]
+    #[arg(short, long)]
     pub copy: bool,
 }
 
 #[derive(Parser, Debug)]
 pub struct SetCommand {
-    #[clap(subcommand)]
+    #[command(subcommand)]
     pub kind: SetKinds,
 }
 
@@ -146,7 +146,7 @@ pub enum SetKinds {
 /// Key-value pairs, delimited by an "=".
 #[derive(Parser, Debug)]
 pub struct SetVarKind {
-    #[clap(parse(try_from_str = crate::cli::utilities::parse_key_val))]
+    #[arg(value_parser = crate::cli::utilities::parse_key_val::<String>)]
     pub values: Vec<(String, String)>,
 }
 
@@ -159,7 +159,7 @@ pub struct KeyValuePair {
 
 #[derive(Parser, Debug)]
 pub struct ShellCommand {
-    #[clap(subcommand)]
+    #[command(subcommand)]
     pub kind: ShellKinds,
 }
 
@@ -174,13 +174,13 @@ pub enum ShellKinds {
 
 #[derive(Parser, Debug)]
 pub struct ExecCommand {
-    #[clap()]
+    #[arg()]
     pub command: String,
 }
 
 #[derive(Parser, Debug)]
 pub struct ShowCommand {
-    #[clap(subcommand)]
+    #[command(subcommand)]
     pub kind: ShowKinds,
 }
 
diff --git a/src/filter.rs b/src/filter.rs
index c921550..47f567b 100644
--- a/src/filter.rs
+++ b/src/filter.rs
@@ -5,7 +5,7 @@ pub type MatchOption<'a> = (Option<&'a str>, &'a str);
 #[derive(Debug, Clone, Default)]
 pub struct FilterOptions<'a> {
     pub target: Option<&'a str>,
-    pub as_: Option<&'a str>,
+    pub as_: Option<Vec<String>>,
 
     pub globs: &'a [MatchOption<'a>],
 
@@ -42,8 +42,8 @@ impl<'a> FilterOptions<'a> {
     }
 }
 
-fn check_matches<'a, F>(
-    globs: &[MatchOption<'a>],
+fn check_matches<F>(
+    globs: &[MatchOption],
     kinds: &[&str],
     value: &str,
     matcher: F,
diff --git a/src/saucefile.rs b/src/saucefile.rs
index ace7eb5..caba852 100644
--- a/src/saucefile.rs
+++ b/src/saucefile.rs
@@ -2,6 +2,7 @@ use crate::{filter::FilterOptions, output::Output};
 use crate::{settings::Settings, toml::unwrap_toml_value};
 use indexmap::IndexMap;
 use itertools::iproduct;
+use std::iter::once;
 
 use crate::toml::get_document;
 use std::path::PathBuf;
@@ -72,7 +73,15 @@ impl Saucefile {
                 return Vec::new();
             }
         }
-        let tag = filter_options.as_.unwrap_or("default");
+        // let default = ["default".to_string()];
+
+        let tags: Vec<String> = filter_options
+            .as_
+            .clone()
+            .unwrap_or(vec![])
+            .into_iter()
+            .chain(once("default".to_string()))
+            .collect();
 
         iproduct!(self.documents(), sections)
             .filter_map(|(document, section)| document[section].as_table())
@@ -82,22 +91,25 @@ impl Saucefile {
                     && filter_options.filter_match(sections, key)
                     && filter_options.filter_exclude(sections, key)
             })
-            .map(|(key, item)| {
-                let var = match item {
-                    Item::Value(value) => match value {
-                        Value::InlineTable(table) => match table.get(tag) {
-                            Some(value) => unwrap_toml_value(value),
-                            _ => "".to_string(),
+            .filter_map(|(key, item)| {
+                for tag in tags.iter() {
+                    let var = match item {
+                        Item::Value(value) => match value {
+                            Value::InlineTable(table) => match table.get(tag) {
+                                Some(value) => unwrap_toml_value(value),
+                                _ => continue,
+                            },
+                            _ => unwrap_toml_value(value),
+                        },
+                        Item::Table(table) => match &table[tag] {
+                            Item::Value(value) => unwrap_toml_value(value),
+                            _ => continue,
                         },
-                        _ => unwrap_toml_value(value),
-                    },
-                    Item::Table(table) => match &table[tag] {
-                        Item::Value(value) => unwrap_toml_value(value),
-                        _ => "".to_string(),
-                    },
-                    _ => "".to_string(),
-                };
-                (key, var)
+                        _ => continue,
+                    };
+                    return Some((key, var));
+                }
+                None
             })
             .collect::<IndexMap<&str, String>>()
             .into_iter()
@@ -194,11 +206,7 @@ mod tests {
             let result = sauce.section(&["foo"], &FilterOptions::default());
             assert_eq!(
                 result,
-                vec![
-                    ("bar", "1".to_string()),
-                    ("bees", "2".to_string()),
-                    ("boops", "".to_string()),
-                ]
+                vec![("bar", "1".to_string()), ("bees", "2".to_string()),]
             );
         }
 
@@ -217,16 +225,44 @@ mod tests {
             let result = sauce.section(
                 &["foo"],
                 &FilterOptions {
-                    as_: Some("wow"),
+                    as_: Some(vec!["wow".to_string()]),
+                    ..Default::default()
+                },
+            );
+            assert_eq!(
+                result,
+                vec![("bar", "1".to_string()), ("bees", "2".to_string()),]
+            );
+        }
+
+        #[test]
+        fn it_selects_multiple_tags() {
+            let mut sauce = Saucefile::default();
+
+            let toml = r#"
+            [foo]
+            one = 1
+            two = {default = 2}
+            three = {three = 3}
+            four = {four = 4}
+            notfive = {ohno = 4}
+            "#;
+            sauce.document = toml.parse::<Document>().expect("invalid doc");
+
+            let result = sauce.section(
+                &["foo"],
+                &FilterOptions {
+                    as_: Some(vec!["three".to_string(), "four".to_string()]),
                     ..Default::default()
                 },
             );
             assert_eq!(
                 result,
                 vec![
-                    ("bar", "1".to_string()),
-                    ("bees", "2".to_string()),
-                    ("boops", "".to_string()),
+                    ("one", "1".to_string()),
+                    ("two", "2".to_string()),
+                    ("three", "3".to_string()),
+                    ("four", "4".to_string()),
                 ]
             );
         }
diff --git a/src/shell/utilities.rs b/src/shell/utilities.rs
index 3846727..80f201e 100644
--- a/src/shell/utilities.rs
+++ b/src/shell/utilities.rs
@@ -3,7 +3,7 @@ use std::{collections::VecDeque, str::FromStr};
 
 use crate::shell::Shell;
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub enum ShellName {
     Zsh,
     Fish,
@@ -26,7 +26,7 @@ impl FromStr for ShellName {
     }
 }
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub enum ColorStrategy {
     Always,
     Never,
diff --git a/src/toml.rs b/src/toml.rs
index 8432d6f..0cdf87c 100644
--- a/src/toml.rs
+++ b/src/toml.rs
@@ -16,7 +16,7 @@ pub fn get_document(path: &Path, output: &mut Output) -> Document {
 }
 
 pub fn write_document(file: &Path, document: &Document, output: &mut Output) {
-    let handle = OpenOptions::new().write(true).open(&file);
+    let handle = OpenOptions::new().write(true).open(file);
     write_contents(handle, file, document, output);
 }