diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index b65fd67f..b5c2e7c9 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -35,7 +35,7 @@ jobs:
       uses: actions/checkout@v4
 
     - name: Install PDM
-      uses: pdm-project/setup-pdm@v3
+      uses: pdm-project/setup-pdm@v4
       with:
         python-version: '3.10'
         cache: true
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index b381b354..e4bfe52a 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -19,7 +19,7 @@ jobs:
       uses: actions/checkout@v4
 
     - name: Install PDM
-      uses: pdm-project/setup-pdm@v3
+      uses: pdm-project/setup-pdm@v4
       with:
         python-version: '3.10'
         cache: true
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index adea363b..61164e1e 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -26,7 +26,7 @@ jobs:
       uses: actions/checkout@v4
 
     - name: Install PDM
-      uses: pdm-project/setup-pdm@v3
+      uses: pdm-project/setup-pdm@v4
       with:
         python-version: ${{ matrix.pyversion }}
         cache: true