diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 9be0cdfd..d5c04057 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -26,6 +26,7 @@ jobs:
       - uses: actions-rs/cargo@v1
         with:
           command: check
+          args: --locked
 
   check_all_features:
     name: cargo check --all-features