diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 81d83ae..dfb25f3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -32,8 +32,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v1
-        with:
-          submodules: true
+      - name: Checkout submodule
+        # Manually update submodules with --checkout because they are configured with update=none and will be skipped otherwise
+        run: git submodule update --recursive --init --force --checkout
       - name: Run generator
         run: cargo run -p generator
       - name: Diff autogen result
diff --git a/.gitmodules b/.gitmodules
index 8673d0a..f59e7f9 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,4 @@
 [submodule "generator/Vulkan-Headers"]
 	path = generator/Vulkan-Headers
 	url = https://github.com/KhronosGroup/Vulkan-Headers
+	update = none