diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index c7ef891..2a2ab0b 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -9,6 +9,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@master
+      with:
+        submodules: true
     
     - name: Set Node.js 10.x
       uses: actions/setup-node@master