diff --git a/codex-rs/Cargo.lock b/codex-rs/Cargo.lock
index 7b90f25650..acc5175127 100644
--- a/codex-rs/Cargo.lock
+++ b/codex-rs/Cargo.lock
@@ -3780,7 +3780,7 @@ dependencies = [
  "serde",
  "serde_json",
  "serde_with",
- "strum 0.27.2",
+ "strum 0.28.0",
  "strum_macros 0.28.0",
  "sys-locale",
  "tempfile",
@@ -4038,7 +4038,7 @@ dependencies = [
  "serde_json",
  "sha2 0.10.9",
  "sqlx",
- "strum 0.27.2",
+ "strum 0.28.0",
  "tempfile",
  "thiserror 2.0.18",
  "tokio",
@@ -4218,7 +4218,7 @@ dependencies = [
  "serial_test",
  "sha2 0.10.9",
  "shlex",
- "strum 0.27.2",
+ "strum 0.28.0",
  "strum_macros 0.28.0",
  "supports-color 3.0.2",
  "syntect",
@@ -12768,11 +12768,11 @@ dependencies = [
 
 [[package]]
 name = "strum"
-version = "0.27.2"
+version = "0.28.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af23d6f6c1a224baef9d3f61e287d2761385a5b88fdab4eb4c6f11aeb54c4bcf"
+checksum = "9628de9b8791db39ceda2b119bbe13134770b56c138ec1d3af810d045c04f9bd"
 dependencies = [
- "strum_macros 0.27.2",
+ "strum_macros 0.28.0",
 ]
 
 [[package]]
@@ -12788,18 +12788,6 @@ dependencies = [
  "syn 2.0.117",
 ]
 
-[[package]]
-name = "strum_macros"
-version = "0.27.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7695ce3845ea4b33927c055a39dc438a45b059f7c1b3d91d38d10355fb8cbca7"
-dependencies = [
- "heck",
- "proc-macro2",
- "quote",
- "syn 2.0.117",
-]
-
 [[package]]
 name = "strum_macros"
 version = "0.28.0"
diff --git a/codex-rs/Cargo.toml b/codex-rs/Cargo.toml
index f196d154a7..f3facf71ef 100644
--- a/codex-rs/Cargo.toml
+++ b/codex-rs/Cargo.toml
@@ -412,7 +412,7 @@ sqlx = { version = "0.9.0", default-features = false, features = [
     "uuid",
 ] }
 starlark = { version = "0.14.2", default-features = false }
-strum = "0.27.2"
+strum = "0.28.0"
 strum_macros = "0.28.0"
 supports-color = "3.0.2"
 syntect = "5"