diff --git a/.github/workflows/shell.yml b/.github/workflows/shell.yml
index b64fb26..1f3cfe8 100644
--- a/.github/workflows/shell.yml
+++ b/.github/workflows/shell.yml
@@ -8,7 +8,10 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-    - uses: actions/checkout@v1
+    - name: Checkout repository
+      uses: actions/checkout@v2
+      with:
+        submodules: 'true'
     - name: Install dotfiles
       run: |
         rm ~/.bashrc ~/.bash_profile