diff --git a/.github/workflows/pio.yml b/.github/workflows/pio.yml
index 1c4c6091..a4264c23 100644
--- a/.github/workflows/pio.yml
+++ b/.github/workflows/pio.yml
@@ -56,6 +56,7 @@ jobs:
         run: |
           git_hash=$(git rev-parse --short "$GITHUB_SHA")
           echo "git_hash=${git_hash}" >> $GITHUB_ENV
+          echo "PLATFORMIO_BUILD_CACHE_DIR=$HOME/.platformio/.cache" >> $GITHUB_ENV
       - name: Build PlatformIO Project
         run: pio run -e ${{ matrix.environment }}
       - name: 'Upload Artifact'