diff --git a/.github/workflows/pr-check.yaml b/.github/workflows/pr-check.yaml
index 0d26edf..8e3d442 100644
--- a/.github/workflows/pr-check.yaml
+++ b/.github/workflows/pr-check.yaml
@@ -37,7 +37,7 @@ jobs:
         run: cargo +nightly fmt --check
 
       - name: cargo clippy
-        run: cargo clippy
+        run: cargo clippy -- -D warnings
 
       - name: cargo test
         run: cargo test