diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 444ce97..fa6047d 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -35,6 +35,9 @@ jobs:
     - name: Install required cargo
       run: cargo install clippy-sarif sarif-fmt
 
+    - name: Check OpenSSL
+      run: (! cargo tree -i openssl 2> /dev/null)
+
     - name: Build with cargo
       run: cargo build --verbose