diff --git a/.github/workflows/test-builds.yml b/.github/workflows/test-builds.yml
index c297f61a..1f4ec68e 100644
--- a/.github/workflows/test-builds.yml
+++ b/.github/workflows/test-builds.yml
@@ -40,15 +40,15 @@ jobs:
             ${{ runner.os }}-pip-
 
       - name: Cache PlatformIO
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.platformio
           key: ${{ runner.os }}-${{ hashFiles('**/lockfiles') }}
 
-      - name: Setup Python 3.9
+      - name: Setup Python 3.11
         uses: actions/setup-python@v4
         with:
-          python-version: '3.9'
+          python-version: '3.11'
       - name: Install PlatformIO Core
         run: |
           pip install -U setuptools platformio