diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0258bdc..f007580 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
-      - uses: pdm-project/setup-pdm@v3
+      - uses: pdm-project/setup-pdm@v4
         name: Setup PDM
         with:
           cache: true
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 9a7a44c..15cef6a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -14,7 +14,7 @@ jobs:
       contents: write
     steps:
       - uses: actions/checkout@v4
-      - uses: pdm-project/setup-pdm@v3
+      - uses: pdm-project/setup-pdm@v4
       - name: Publish package distributions to PyPI
         run: pdm publish
       - uses: actions/upload-artifact@v3