diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7504e67a..24d627f7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -115,6 +115,10 @@ jobs:
       - uses: actions/checkout@v2
         with:
             submodules: 'recursive'
+      - name: Install Python3
+        uses: actions/setup-python@v2
+        with:
+          python-version: '3.7.10'
       - name: Measure sizes
         uses: FreeRTOS/CI-CD-Github-Actions/memory_statistics@main
         with: