diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f140aa5..6407caf 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -35,4 +35,4 @@ jobs:
     - name: verify formatting
       uses: actions-rust-lang/rustfmt@v1
     - name: run clippy
-      run: cargo clippy -- --deny clippy::all --warn clippy::pedantic
+      run: cargo clippy -- --deny clippy::all --warn clippy::pedantic --warn warnings