diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 33e1a3c17..5a81bb9e5 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -106,6 +106,13 @@ jobs:
         uses: actions/download-artifact@v3
         with:
           name: ${{ needs.build.outputs.artifact-name }}
+      - name: Free up disk space
+        run: |
+          # From https://github.com/actions/runner-images/issues/2840#issuecomment-790492173                                                                                                                    
+          sudo rm -rf /usr/share/dotnet
+          sudo rm -rf /opt/ghc
+          sudo rm -rf /usr/local/share/boost
+          sudo rm -rf "$AGENT_TOOLSDIRECTORY"
       - name: Select tests
         id: select-tests
         run: |