diff --git a/.github/workflows/platformio.yml b/.github/workflows/platformio.yml
index 7ebd4ea..a98d506 100644
--- a/.github/workflows/platformio.yml
+++ b/.github/workflows/platformio.yml
@@ -15,7 +15,7 @@ jobs:
     strategy:
       max-parallel: 1
       matrix:
-        python-version: [3.7]
+        python-version: [3.12]
     steps:
       - uses: actions/checkout@v1
       - name: Set up Python ${{ matrix.python-version }}
@@ -26,6 +26,7 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install -U platformio
+          pip install intelhex
           platformio update
       - name: Submitted library code test
         run: |