diff --git a/codex-rs/Cargo.lock b/codex-rs/Cargo.lock
index 7a554c2bc..7bd1f9c92 100644
--- a/codex-rs/Cargo.lock
+++ b/codex-rs/Cargo.lock
@@ -453,9 +453,9 @@ dependencies = [
 
 [[package]]
 name = "arc-swap"
-version = "1.8.2"
+version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f9f3647c145568cec02c42054e07bdf9a5a698e15b466fb2341bfc393cd24aa5"
+checksum = "a07d1f37ff60921c83bdfc7407723bdefe89b44b98a9b772f225c8f9d67141a6"
 dependencies = [
  "rustversion",
 ]
diff --git a/codex-rs/core/Cargo.toml b/codex-rs/core/Cargo.toml
index 9497da9eb..1c6ab2b28 100644
--- a/codex-rs/core/Cargo.toml
+++ b/codex-rs/core/Cargo.toml
@@ -18,7 +18,7 @@ workspace = true
 
 [dependencies]
 anyhow = { workspace = true }
-arc-swap = "1.8.2"
+arc-swap = "1.9.0"
 async-channel = { workspace = true }
 async-trait = { workspace = true }
 base64 = { workspace = true }