diff --git a/.github/workflows/build_singularity.yaml b/.github/workflows/build_singularity.yaml
index 806c127..151d400 100644
--- a/.github/workflows/build_singularity.yaml
+++ b/.github/workflows/build_singularity.yaml
@@ -23,6 +23,11 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
+      - name: Clean up space, from https://github.com/actions/virtual-environments/issues/709#issuecomment-612569242
+        run: |
+          sudo rm -rf "/usr/local/share/boost" \
+          sudo rm -rf "$AGENT_TOOLSDIRECTORY"
+
       - name: Build the Singularity container
         run: ./build_singularity_container.sh