diff --git a/codex-rs/Cargo.lock b/codex-rs/Cargo.lock
index 61b328d84c..df44a7f83b 100644
--- a/codex-rs/Cargo.lock
+++ b/codex-rs/Cargo.lock
@@ -2418,6 +2418,8 @@ version = "0.0.0"
 dependencies = [
  "codex-utils-absolute-path",
  "codex-utils-plugins",
+ "serde",
+ "serde_json",
  "thiserror 2.0.18",
 ]