diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 7ca7bf2..4e8657b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -17,6 +17,8 @@ jobs:
     runs-on: ubuntu-18.04
     steps:
     - uses: actions/checkout@v2
+      with:
+        submodules: recursive
     - name: Set up cache
       uses: actions/cache@v2
     - name: Set up dependencies
@@ -35,6 +37,8 @@ jobs:
     runs-on: macos-10.15
     steps:
     - uses: actions/checkout@v2
+      with:
+        submodules: recursive
     - name: Set up dependencies
       run: |
         brew install cmake jq meson
@@ -52,6 +56,8 @@ jobs:
     #runs-on: ubuntu-20.04
     #steps:
     #- uses: actions/checkout@v2
+      #with:
+        #submodules: recursive
     #- name: Set up cache
       #uses: actions/cache@v2
       #with: