diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index b6f12cd27..aa3cd3c56 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -15,6 +15,8 @@ jobs:
     runs-on: windows-2016
     steps:
       - uses: actions/checkout@v2
+        with:
+          submodules: 'true'
       - name: Checkout submodules
         run: git submodule update --init --recursive
       - name: configure