diff --git a/.github/upstream-codex-release.txt b/.github/upstream-codex-release.txt
index 1fd5602..8b46898 100644
--- a/.github/upstream-codex-release.txt
+++ b/.github/upstream-codex-release.txt
@@ -1 +1 @@
-rust-v0.125.0
+rust-v0.128.0