diff --git a/.github/workflows/pr-reviewer.yml b/.github/workflows/pr-reviewer.yml
index db59419fea..96f14d72e5 100644
--- a/.github/workflows/pr-reviewer.yml
+++ b/.github/workflows/pr-reviewer.yml
@@ -78,7 +78,7 @@ jobs:
           # the MCP github tools are authenticated separately and do not cover
           # raw `gh` invocations.
           GH_TOKEN: ${{ steps.app_token.outputs.token }}
-        uses: anthropics/claude-code-action@be7b93b1907a4abad570368f3c74b6fe3807510b # v1
+        uses: anthropics/claude-code-action@1623c36729ac1cd5895198cded705a287de7db79 # v1
         with:
           anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
           github_token: ${{ steps.app_token.outputs.token }}