diff --git a/.github/workflows/merge-to-main.yml b/.github/workflows/merge-to-main.yml
index 0aeea5a..17b1399 100644
--- a/.github/workflows/merge-to-main.yml
+++ b/.github/workflows/merge-to-main.yml
@@ -10,6 +10,8 @@ jobs:
     steps:
       - name: Check out repository code
         uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
       - name: Setup Python
         uses: actions/setup-python@v4
         with:
diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index e826674..43144b9 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -16,6 +16,7 @@ jobs:
         uses: actions/checkout@v3
         with:
           ref: ${{ github.event.pull_request.head.sha }}
+          fetch-depth: 0
       - name: Setup Python
         uses: actions/setup-python@v4
         with: