diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 80e5ab9..9c48cfc 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -21,6 +21,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           fetch-depth: 0
+          submodules: true
 
       - name: Set up Python
         uses: actions/setup-python@v5