diff --git a/.github/workflows/publish-unity.yml b/.github/workflows/publish-unity.yml
index cae270d..4d74230 100644
--- a/.github/workflows/publish-unity.yml
+++ b/.github/workflows/publish-unity.yml
@@ -11,7 +11,9 @@ jobs:
     strategy:
       fail-fast: false
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
+        with:
+          submodules: true
       - uses: actions/cache@v1.1.0
         with:
           path: UnityProject/Library