diff --git a/.github/workflows/pypi.yml b/.github/workflows/pypi.yml
index e86f986..2701756 100644
--- a/.github/workflows/pypi.yml
+++ b/.github/workflows/pypi.yml
@@ -52,7 +52,7 @@ jobs:
 
 
       - name: Setup PDM
-        uses: pdm-project/setup-pdm@v3
+        uses: pdm-project/setup-pdm@v4
         with:
           python-version: ${{ matrix.python-version }}
           cache: true
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index ceac3ea..f021477 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -42,7 +42,7 @@ jobs:
           version: latest
 
       - name: Setup PDM
-        uses: pdm-project/setup-pdm@v3
+        uses: pdm-project/setup-pdm@v4
         with:
           python-version: ${{ matrix.python-version }}
           cache: true