diff --git a/.github/workflows/test-linting.yml b/.github/workflows/test-linting.yml
index f7c53ff443a..ff6c40ac9ae 100644
--- a/.github/workflows/test-linting.yml
+++ b/.github/workflows/test-linting.yml
@@ -51,10 +51,15 @@ jobs:
           uv sync --frozen
 
       - name: Check ruff format
+        env:
+          BASE_SHA: ${{ github.event.pull_request.base.sha }}
         run: |
-          cd litellm
-          uv run --no-sync ruff format --check --line-length 88 --exclude '/enterprise/' .
-          cd ..
+          git diff --name-only "$BASE_SHA"...HEAD -- 'litellm/**/*.py' | grep -v '^litellm/enterprise/' > "$RUNNER_TEMP/ruff_format_files.txt" || true
+          if [ ! -s "$RUNNER_TEMP/ruff_format_files.txt" ]; then
+            echo "No changed litellm Python files to check with ruff format."
+            exit 0
+          fi
+          xargs uv run --no-sync ruff format --check --line-length 88 --exclude '/enterprise/' < "$RUNNER_TEMP/ruff_format_files.txt"
 
       - name: Debug - Check file state
         run: |