diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 34eed3b..ab7a9da 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -26,4 +26,6 @@ jobs:
     - name: Check out code into the Go module directory
       uses: actions/checkout@v1
     - name: Build
-      run: make test-static
+      run: |
+        git submodule update --init
+        make test-static