diff --git a/Cargo.lock b/Cargo.lock
index 3434f73a..925eeefb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -758,11 +758,11 @@ checksum = "7a81dae078cea95a014a339291cec439d2f232ebe854a9d672b796c6afafa9b7"
 
 [[package]]
 name = "crypto-bigint"
-version = "0.5.2"
-source = "git+https://github.com/risc0/RustCrypto-crypto-bigint?tag=v0.5.2-risc0#8b30304277cfe553b51a78a0e693f48bbb059eb3"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "740fe28e594155f10cfc383984cbefd529d7396050557148f79cb0f621204124"
 dependencies = [
  "generic-array",
- "getrandom",
  "rand_core",
  "subtle",
  "zeroize",
@@ -1800,7 +1800,8 @@ dependencies = [
 [[package]]
 name = "k256"
 version = "0.13.1"
-source = "git+https://github.com/risc0/RustCrypto-elliptic-curves?tag=k256/v0.13.1-risc0#44b1fc2b317e76bb150636cf67d0fbdfcac39601"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cadb76004ed8e97623117f3df85b17aaa6626ab0b0831e6573f104df16cd1bcc"
 dependencies = [
  "cfg-if",
  "ecdsa",
@@ -3442,7 +3443,8 @@ dependencies = [
 [[package]]
 name = "sha2"
 version = "0.10.6"
-source = "git+https://github.com/risc0/RustCrypto-hashes?tag=sha2/v0.10.6-risc0#e75cafd9f55da196061f6fadf8bc8a86778192b7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "82e6b795fe2e3b1e845bafcb27aa35405c4d47cdfc92af5fc8d3002f76cebdc0"
 dependencies = [
  "cfg-if",
  "cpufeatures",
diff --git a/Cargo.toml b/Cargo.toml
index aa994cc0..241058b6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,12 +21,6 @@ lto = true
 [profile.release.build-override]
 opt-level = 3
 
-[patch.crates-io]
-# use optimized risc0 circuit
-crypto-bigint = { git = "https://github.com/risc0/RustCrypto-crypto-bigint", tag = "v0.5.2-risc0" }
-k256 = { git = "https://github.com/risc0/RustCrypto-elliptic-curves", tag = "k256/v0.13.1-risc0" }
-sha2 = { git = "https://github.com/risc0/RustCrypto-hashes", tag = "sha2/v0.10.6-risc0" }
-
 [workspace.dependencies]
 bonsai-sdk = "0.3"
 risc0-build = "0.17"
diff --git a/guests/eth-block/Cargo.lock b/guests/eth-block/Cargo.lock
index 24a96841..db3c435b 100644
--- a/guests/eth-block/Cargo.lock
+++ b/guests/eth-block/Cargo.lock
@@ -488,7 +488,7 @@ checksum = "7a81dae078cea95a014a339291cec439d2f232ebe854a9d672b796c6afafa9b7"
 [[package]]
 name = "crypto-bigint"
 version = "0.5.2"
-source = "git+https://github.com/risc0/RustCrypto-crypto-bigint?tag=v0.5.2-risc0#8b30304277cfe553b51a78a0e693f48bbb059eb3"
+source = "git+https://github.com/risc0/RustCrypto-crypto-bigint?tag=v0.5.2-risczero.0#8b30304277cfe553b51a78a0e693f48bbb059eb3"
 dependencies = [
  "generic-array",
  "getrandom",
@@ -1375,7 +1375,7 @@ dependencies = [
 [[package]]
 name = "k256"
 version = "0.13.1"
-source = "git+https://github.com/risc0/RustCrypto-elliptic-curves?tag=k256/v0.13.1-risc0#44b1fc2b317e76bb150636cf67d0fbdfcac39601"
+source = "git+https://github.com/risc0/RustCrypto-elliptic-curves?tag=k256/v0.13.1-risczero.1#5fea17d53fbaa0ff72dbe16da3ee2c2d02f2490c"
 dependencies = [
  "cfg-if",
  "ecdsa",
@@ -2499,7 +2499,7 @@ dependencies = [
 [[package]]
 name = "sha2"
 version = "0.10.6"
-source = "git+https://github.com/risc0/RustCrypto-hashes?tag=sha2/v0.10.6-risc0#e75cafd9f55da196061f6fadf8bc8a86778192b7"
+source = "git+https://github.com/risc0/RustCrypto-hashes?tag=sha2-v0.10.6-risczero.0#7fd6900c4f637bd15ee2642dfa77110f8f1ad065"
 dependencies = [
  "cfg-if",
  "cpufeatures",
diff --git a/guests/eth-block/Cargo.toml b/guests/eth-block/Cargo.toml
index 86804af2..1fca2d06 100644
--- a/guests/eth-block/Cargo.toml
+++ b/guests/eth-block/Cargo.toml
@@ -13,9 +13,9 @@ zeth-lib = { path = "../../lib", default-features = false }
 [patch.crates-io]
 radium = { git = 'https://github.com/ferrilab/radium.git', rev = "723bed5" }
 # use optimized risc0 circuit
-crypto-bigint = { git = "https://github.com/risc0/RustCrypto-crypto-bigint", tag = "v0.5.2-risc0" }
-k256 = { git = "https://github.com/risc0/RustCrypto-elliptic-curves", tag = "k256/v0.13.1-risc0" }
-sha2 = { git = "https://github.com/risc0/RustCrypto-hashes", tag = "sha2/v0.10.6-risc0" }
+crypto-bigint = { git = "https://github.com/risc0/RustCrypto-crypto-bigint", tag = "v0.5.2-risczero.0" }
+k256 = { git = "https://github.com/risc0/RustCrypto-elliptic-curves", tag = "k256/v0.13.1-risczero.1" }
+sha2 = { git = "https://github.com/risc0/RustCrypto-hashes", tag = "sha2-v0.10.6-risczero.0" }
 
 [profile.release]
 codegen-units = 1
diff --git a/testing/ef-tests/testguest/Cargo.lock b/testing/ef-tests/testguest/Cargo.lock
index 03d0f09b..2136a9db 100644
--- a/testing/ef-tests/testguest/Cargo.lock
+++ b/testing/ef-tests/testguest/Cargo.lock
@@ -494,7 +494,7 @@ checksum = "7a81dae078cea95a014a339291cec439d2f232ebe854a9d672b796c6afafa9b7"
 [[package]]
 name = "crypto-bigint"
 version = "0.5.2"
-source = "git+https://github.com/risc0/RustCrypto-crypto-bigint?tag=v0.5.2-risc0#8b30304277cfe553b51a78a0e693f48bbb059eb3"
+source = "git+https://github.com/risc0/RustCrypto-crypto-bigint?tag=v0.5.2-risczero.0#8b30304277cfe553b51a78a0e693f48bbb059eb3"
 dependencies = [
  "generic-array",
  "getrandom",
@@ -1396,7 +1396,7 @@ dependencies = [
 [[package]]
 name = "k256"
 version = "0.13.1"
-source = "git+https://github.com/risc0/RustCrypto-elliptic-curves?tag=k256/v0.13.1-risc0#44b1fc2b317e76bb150636cf67d0fbdfcac39601"
+source = "git+https://github.com/risc0/RustCrypto-elliptic-curves?tag=k256/v0.13.1-risczero.1#5fea17d53fbaa0ff72dbe16da3ee2c2d02f2490c"
 dependencies = [
  "cfg-if",
  "ecdsa",
@@ -2504,7 +2504,7 @@ dependencies = [
 [[package]]
 name = "sha2"
 version = "0.10.6"
-source = "git+https://github.com/risc0/RustCrypto-hashes?tag=sha2/v0.10.6-risc0#e75cafd9f55da196061f6fadf8bc8a86778192b7"
+source = "git+https://github.com/risc0/RustCrypto-hashes?tag=sha2-v0.10.6-risczero.0#7fd6900c4f637bd15ee2642dfa77110f8f1ad065"
 dependencies = [
  "cfg-if",
  "cpufeatures",
diff --git a/testing/ef-tests/testguest/Cargo.toml b/testing/ef-tests/testguest/Cargo.toml
index f4262af7..f16e2da0 100644
--- a/testing/ef-tests/testguest/Cargo.toml
+++ b/testing/ef-tests/testguest/Cargo.toml
@@ -13,6 +13,6 @@ zeth-lib = { path = "../../../lib", default-features = false }
 [patch.crates-io]
 radium = { git = 'https://github.com/ferrilab/radium.git', rev = "723bed5" }
 # use optimized risc0 circuit
-crypto-bigint = { git = "https://github.com/risc0/RustCrypto-crypto-bigint", tag = "v0.5.2-risc0" }
-k256 = { git = "https://github.com/risc0/RustCrypto-elliptic-curves", tag = "k256/v0.13.1-risc0" }
-sha2 = { git = "https://github.com/risc0/RustCrypto-hashes", tag = "sha2/v0.10.6-risc0" }
+crypto-bigint = { git = "https://github.com/risc0/RustCrypto-crypto-bigint", tag = "v0.5.2-risczero.0" }
+k256 = { git = "https://github.com/risc0/RustCrypto-elliptic-curves", tag = "k256/v0.13.1-risczero.1" }
+sha2 = { git = "https://github.com/risc0/RustCrypto-hashes", tag = "sha2-v0.10.6-risczero.0" }