diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 476787d..9140ffd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
+        with:
+          submodules: 'true'
 
       - name: Bootstrap rust
         uses: actions-rs/toolchain@v1