diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 336a0569..cd9d9de4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,7 +25,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v4
       - uses: pre-commit/action@v3.0.0
-      - run: npx --package renovate renovate-config-validator
+      - run: npx --package renovate renovate-config-validator --strict
 
   test-readmes-up-to-date:
     runs-on: ubuntu-latest