diff --git a/.github/workflows/sanity_check.yml b/.github/workflows/sanity_check.yml
index ba1c6196..41316ff5 100644
--- a/.github/workflows/sanity_check.yml
+++ b/.github/workflows/sanity_check.yml
@@ -75,7 +75,7 @@ jobs:
           rm -rf mypy_boto3_output/*
           uv run mypy_boto3_builder mypy_boto3_output \
             --product types-boto3-services \
-            --no-smart-version
+            --no-smart-version \
             -s s3
           uv run ./scripts/check_output.py -p ./mypy_boto3_output s3
       - name: Build packages