diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index b51a39de7..1417b3754 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -87,6 +87,14 @@ jobs:
           command: rustc
           args: --target=${{ matrix.triple.target }} --manifest-path=Cargo.toml -- -D warnings
           use-cross: ${{ matrix.triple.cross }}
+
+      - name: Check debug feature
+        uses: actions-rs/cargo@v1
+        with:
+          command: rustc
+          args: --target=${{ matrix.triple.target }} --manifest-path=Cargo.toml --features=debug -- -D warnings
+          use-cross: ${{ matrix.triple.cross }}
+
       - name: Check without multithreading
         uses: actions-rs/cargo@v1
         with: