diff --git a/.github/actions/automatic-test/action.yml b/.github/actions/automatic-test/action.yml
index 4b5326cb..285d35f5 100644
--- a/.github/actions/automatic-test/action.yml
+++ b/.github/actions/automatic-test/action.yml
@@ -4,7 +4,6 @@ description: 'Check for obvious errors.'
 runs:
   using: "composite"
   steps:
-  - uses: actions/checkout@v2
   - uses: ./.github/actions/build-love
     with:
       file-path: Techmino.love
@@ -21,4 +20,4 @@ runs:
     uses: GabrielBB/xvfb-action@v1
     with:
       run: |
-        ./dest/love Techmino.love --test
\ No newline at end of file
+        ./dest/love Techmino.love --test
diff --git a/.github/workflows/dev.yml b/.github/workflows/dev.yml
index dee4e5d0..2fda87b0 100644
--- a/.github/workflows/dev.yml
+++ b/.github/workflows/dev.yml
@@ -31,6 +31,8 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v2
+      with:
+        submodules: 'recursive'
     - uses: ./.github/actions/automatic-test
 
   build-windows:
@@ -38,6 +40,8 @@ jobs:
     needs: get-info
     steps:
     - uses: actions/checkout@v2
+      with:
+        submodules: 'recursive'
     - uses: ./.github/actions/update-version
       with:
         commit: ${{ needs.get-info.outputs.commit }}
@@ -60,6 +64,8 @@ jobs:
     needs: get-info
     steps:
     - uses: actions/checkout@v2
+      with:
+        submodules: 'recursive'
     - uses: ./.github/actions/update-version
       with:
         commit: ${{ needs.get-info.outputs.commit }}
@@ -78,6 +84,8 @@ jobs:
     needs: get-info
     steps:
     - uses: actions/checkout@v2
+      with:
+        submodules: 'recursive'
     - uses: ./.github/actions/update-version
       with:
         commit: ${{ needs.get-info.outputs.commit }}
@@ -103,6 +111,8 @@ jobs:
     needs: get-info
     steps:
     - uses: actions/checkout@v2
+      with:
+        submodules: 'recursive'
     - uses: ./.github/actions/update-version
       with:
         commit: ${{ needs.get-info.outputs.commit }}
@@ -131,6 +141,8 @@ jobs:
     needs: get-info
     steps:
     - uses: actions/checkout@v2
+      with:
+        submodules: 'recursive'
     - uses: ./.github/actions/update-version
       with:
         commit: ${{ needs.get-info.outputs.commit }}
@@ -159,6 +171,8 @@ jobs:
     needs: get-info
     steps:
     - uses: actions/checkout@v2
+      with:
+        submodules: 'recursive'
     - uses: ./.github/actions/update-version
       with:
         commit: ${{ needs.get-info.outputs.commit }}
@@ -192,6 +206,8 @@ jobs:
     needs: get-info
     steps:
     - uses: actions/checkout@v2
+      with:
+        submodules: 'recursive'
     - uses: ./.github/actions/update-version
     - uses: ./.github/actions/build-love
       with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 1fd13963..5b6d74ec 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -41,6 +41,8 @@ jobs:
     needs: get-info
     steps:
       - uses: actions/checkout@v2
+        with:
+          submodules: 'recursive'
       - uses: ./.github/actions/update-version
       - uses: ./.github/actions/build-windows
         with:
@@ -62,6 +64,8 @@ jobs:
     needs: get-info
     steps:
       - uses: actions/checkout@v2
+        with:
+          submodules: 'recursive'
       - uses: ./.github/actions/update-version
       - uses: ./.github/actions/build-windows
         with:
@@ -83,6 +87,8 @@ jobs:
     needs: get-info
     steps:
       - uses: actions/checkout@v2
+        with:
+          submodules: 'recursive'
       - uses: ./.github/actions/update-version
       - uses: ./.github/actions/build-linux
         with:
@@ -99,6 +105,8 @@ jobs:
     needs: get-info
     steps:
       - uses: actions/checkout@v2
+        with:
+          submodules: 'recursive'
       - uses: ./.github/actions/update-version
       - uses: ./.github/actions/build-android
         with:
@@ -121,6 +129,8 @@ jobs:
     needs: get-info
     steps:
       - uses: actions/checkout@v2
+        with:
+          submodules: 'recursive'
       - uses: ./.github/actions/update-version
       - uses: ./.github/actions/build-macos
         with:
@@ -148,6 +158,8 @@ jobs:
     needs: get-info
     steps:
       - uses: actions/checkout@v2
+        with:
+          submodules: 'recursive'
       - uses: ./.github/actions/update-version
       - uses: ./.github/actions/build-ios
         with:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 399d1862..d2dc875d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -33,6 +33,8 @@ jobs:
     needs: get-info
     steps:
     - uses: actions/checkout@v2
+      with:
+        submodules: 'recursive'
     - uses: ./.github/actions/update-version
       with:
         commit: ${{ needs.get-info.outputs.commit }}
@@ -55,6 +57,8 @@ jobs:
     needs: get-info
     steps:
     - uses: actions/checkout@v2
+      with:
+        submodules: 'recursive'
     - uses: ./.github/actions/update-version
       with:
         commit: ${{ needs.get-info.outputs.commit }}
@@ -73,6 +77,8 @@ jobs:
     needs: get-info
     steps:
     - uses: actions/checkout@v2
+      with:
+        submodules: 'recursive'
     - uses: ./.github/actions/update-version
       with:
         commit: ${{ needs.get-info.outputs.commit }}
@@ -98,6 +104,8 @@ jobs:
     needs: get-info
     steps:
     - uses: actions/checkout@v2
+      with:
+        submodules: 'recursive'
     - uses: ./.github/actions/update-version
       with:
         commit: ${{ needs.get-info.outputs.commit }}
@@ -125,6 +133,8 @@ jobs:
     needs: get-info
     steps:
     - uses: actions/checkout@v2
+      with:
+        submodules: 'recursive'
     - uses: ./.github/actions/update-version
       with:
         commit: ${{ needs.get-info.outputs.commit }}