diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b1dd3c0..1f4c67b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -111,6 +111,9 @@ jobs:
     needs: tests
     if: github.event_name == 'release' && github.event.action == 'created'
     steps:
+    - uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
     - uses: actions/setup-python@v2
       with:
         python-version: 3.7