diff --git a/.github/workflows/publish-pypi.yml b/.github/workflows/publish-pypi.yml
index 403e22a..1daf074 100644
--- a/.github/workflows/publish-pypi.yml
+++ b/.github/workflows/publish-pypi.yml
@@ -29,6 +29,8 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+        with:
+          ref: main
 
       - name: Install Rust (container)
         if: matrix.container != ''
@@ -97,6 +99,8 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+        with:
+          ref: main
 
       - name: Set up Python
         uses: actions/setup-python@v5