diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ffe9a40..ed7c0e0 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -10,10 +10,6 @@ concurrency:
   group: test-${{ github.head_ref }}
   cancel-in-progress: true
 
-env:
-  PYTHONUNBUFFERED: "1"
-  FORCE_COLOR: "1"
-
 jobs:
   run:
     name: Python ${{ matrix.python-version }} on ${{ startsWith(matrix.os, 'macos-') && 'macOS' || startsWith(matrix.os, 'windows-') && 'Windows' || 'Linux' }}
@@ -25,16 +21,13 @@ jobs:
         python-version: ['3.9', '3.10', '3.11']
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v4
+    - name: Set up PDM
+      uses: pdm-project/setup-pdm@v4
       with:
         python-version: ${{ matrix.python-version }}
-        cache: 'pip'
-
-    - name: Install PDM
-      run: python -m pip install pdm
+        cache: true
 
     - name: Install dependencies
       run: pdm install