diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 705318f..a38e5e7 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -34,6 +34,8 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
+        with:
+          submodules: true
 
       - name: Prepare
         run: mkdir build
diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index 3b1463d..78b153a 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -37,6 +37,8 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
+        with:
+          submodules: true
 
       - name: Prepare
         run: mkdir build