diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 89eb5ad80..cc72f5639 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -130,6 +130,7 @@ jobs:
       - uses: actions/checkout@v2
         with:
           submodules: true
+          fetch-depth: 0
       - name: Install Python3
         uses: actions/setup-python@v2
         with: