diff --git a/.github/workflows/publish_api_documentation.yml b/.github/workflows/publish_api_documentation.yml
index 8867170f..46c09875 100644
--- a/.github/workflows/publish_api_documentation.yml
+++ b/.github/workflows/publish_api_documentation.yml
@@ -16,6 +16,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
       with:
+        fetch-depth: 0
         ref: "3.0"
     - uses: actions/setup-python@v2
       with: