diff --git a/Cargo.lock b/Cargo.lock
index 92169d96..c7979b0c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -61,9 +61,9 @@ dependencies = [
 
 [[package]]
 name = "anyhow"
-version = "1.0.86"
+version = "1.0.99"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b3d1d046238990b9cf5bcde22a3fb3584ee5cf65fb2765f454ed428c7a0063da"
+checksum = "b0674a1ddeecb70197781e945de4b3b8ffb61fa939a5597bcf48503737663100"
 
 [[package]]
 name = "autocfg"
diff --git a/Cargo.toml b/Cargo.toml
index a43a771d..c040307b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,7 +30,7 @@ tskit-derive = {version = "0.2.0", path = "tskit-derive", optional = true}
 chrono = { version = "0.4.40", default-features = false, features = ["now", "std"] , optional = true}
 
 [dev-dependencies]
-anyhow = {version = "1.0.86"}
+anyhow = {version = "1.0.99"}
 clap = {version = "4.4.6", features = ["derive"]}
 serde = {version = "1.0.203", features = ["derive"]}
 serde-pickle = "1.1.0"