diff --git a/.github/workflows/maint-76-claude-code-review.yml b/.github/workflows/maint-76-claude-code-review.yml
index 7f487aac..a158e6f2 100644
--- a/.github/workflows/maint-76-claude-code-review.yml
+++ b/.github/workflows/maint-76-claude-code-review.yml
@@ -189,7 +189,7 @@ jobs:
       - name: Run Claude Code Review
         id: claude
         continue-on-error: true
-        uses: anthropics/claude-code-action@2fee15510437d71399d9139ed60433470484a8fb # v1
+        uses: anthropics/claude-code-action@30544b674398ee15c84819bd87caf8a87e8c7b55 # v1
         with:
           claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
           allowed_bots: '*'
diff --git a/tools/requirements-llm.txt b/tools/requirements-llm.txt
index 0b5dff3c..ffaa0b4a 100644
--- a/tools/requirements-llm.txt
+++ b/tools/requirements-llm.txt
@@ -7,9 +7,9 @@
 # - Use strict X.Y.Z pins for direct workflow dependencies.
 # - Do not pin `langchain-core` directly here; let the selected `langchain`
 #   release resolve a mutually compatible core version.
-langchain==1.3.11
+langchain==1.3.10
 langchain-community==0.4.2
-langchain-openai==1.3.3
-langchain-anthropic==1.4.7
+langchain-openai==1.3.2
+langchain-anthropic==1.4.6
 pydantic==2.13.4
 requests==2.34.2