diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index d3f5a36..714755a 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -65,7 +65,7 @@ jobs:
       - uses: actions-rs/cargo@v1
         with:
           command: test
-          args: --no-default-features
+          args: --no-default-features --features openssl
 
   fmt:
     name: Rustfmt