diff --git a/Cargo.lock b/Cargo.lock
index 931653c0..26ef42c2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -61,9 +61,9 @@ dependencies = [
 
 [[package]]
 name = "anyhow"
-version = "1.0.86"
+version = "1.0.95"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b3d1d046238990b9cf5bcde22a3fb3584ee5cf65fb2765f454ed428c7a0063da"
+checksum = "34ac096ce696dc2fcabef30516bb13c0a68a11d30131d3df6f04711467681b04"
 
 [[package]]
 name = "autocfg"
@@ -648,7 +648,7 @@ dependencies = [
 
 [[package]]
 name = "tskit"
-version = "0.15.0-alpha.1"
+version = "0.15.0-alpha.2"
 dependencies = [
  "anyhow",
  "bincode",
diff --git a/Cargo.toml b/Cargo.toml
index 297afd9b..e85944a9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -32,7 +32,7 @@ tskit-derive = {version = "0.2.0", path = "tskit-derive", optional = true}
 delegate = "0.12.0"
 
 [dev-dependencies]
-anyhow = {version = "1.0.86"}
+anyhow = {version = "1.0.95"}
 clap = {version = "4.4.6", features = ["derive"]}
 serde = {version = "1.0.203", features = ["derive"]}
 serde-pickle = "1.1.0"