diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 8fd248c..b3ade95 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -44,6 +44,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v6
         with:
+          fetch-depth: 0   # fetch full history
           submodules: recursive
 
       - name: Show ccache stats before