diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 59b4bbc..9e4bea4 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -68,7 +68,7 @@ jobs:
     - name: Cargo test
       shell: bash
       run: |
-        cargo test
+        cargo test --locked
 
     - name: Check dirty git
       uses: ./.github/actions/check-dirty-git