diff --git a/.github/workflows/pythonpublish.yml b/.github/workflows/pythonpublish.yml
index 3930fac..0fb6008 100644
--- a/.github/workflows/pythonpublish.yml
+++ b/.github/workflows/pythonpublish.yml
@@ -16,6 +16,6 @@ jobs:
       id-token: write
     steps:
       - uses: actions/checkout@v3
-      - uses: pdm-project/setup-pdm@v3
+      - uses: pdm-project/setup-pdm@v4
       - name: Publish package distributions to PyPI
         run: pdm publish