diff --git a/.github/workflows/github_action_build_docs.yml b/.github/workflows/github_action_build_docs.yml
index 866d816bdc..9727cdbfb4 100644
--- a/.github/workflows/github_action_build_docs.yml
+++ b/.github/workflows/github_action_build_docs.yml
@@ -22,6 +22,8 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
+        with: 
+          fetch-depth: 0
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v2