diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fea0747..83e9d13 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -149,6 +149,11 @@ jobs:
     runs-on: ubuntu-22.04
     environment: docker.io
     steps:
+      # Increase available disk space by removing unnecessary tool chains:
+      # https://github.com/actions/runner-images/issues/2840#issuecomment-790492173
+      - name: Increase available disk space
+        run: sudo rm -rf /usr/share/dotnet /opt/ghc /usr/local/share/boost "$AGENT_TOOLSDIRECTORY"
+
       - uses: actions/checkout@v3
 
       - name: Set up QEMU