diff --git a/.github/workflows/build-runner.yaml b/.github/workflows/build-runner.yaml
index 95268ca..34724a4 100644
--- a/.github/workflows/build-runner.yaml
+++ b/.github/workflows/build-runner.yaml
@@ -18,6 +18,14 @@ jobs:
       - uses: actions/checkout@v3
       - uses: ./.github/actions/export-runtime
 
+      # https://github.com/actions/runner-images/issues/2840#issuecomment-790492173
+      - name: Cleanup Disk
+        run: |
+          sudo rm -rf /usr/share/dotnet
+          sudo rm -rf /opt/ghc
+          sudo rm -rf "/usr/local/share/boost"
+          sudo rm -rf "$AGENT_TOOLSDIRECTORY"
+
       - name: Build Image
         run: |
           docker buildx create --name builder --use --driver docker-container