diff --git a/.github/workflows/build-boxkit.yml b/.github/workflows/build-boxkit.yml
index b104b247..6077e478 100644
--- a/.github/workflows/build-boxkit.yml
+++ b/.github/workflows/build-boxkit.yml
@@ -31,6 +31,23 @@ jobs:
           - boxkit
        #- fedora-example # Included as an example to demonstrate multi-image builds, uncomment to build the fedora-example container too
     steps:
+      # Remove unused stuff to free disk space
+      - name: Free Disk Space
+        uses: endersonmenezes/free-disk-space@7901478139cff6e9d44df5972fd8ab8fcade4db1
+        with:
+          remove_android: true
+          remove_dotnet: true
+          remove_haskell: true
+          remove_tool_cache: false
+          remove_swap: true
+          # uncomment below line to free another ~5 GiB for the price of another ~90s runtime cost
+          # remove_packages: "azure-cli google-cloud-cli microsoft-edge-stable google-chrome-stable firefox postgresql* temurin-* *llvm* mysql* dotnet-sdk-*"
+          remove_packages_one_command: true
+          remove_folders: "/usr/share/swift /usr/share/miniconda /usr/share/az* /usr/local/lib/node_modules /usr/local/share/chromium /usr/local/share/powershell /usr/local/julia /usr/local/aws-cli /usr/local/aws-sam-cli /usr/share/gradle"
+          rm_cmd: "rmz"  # see https://github.com/SUPERCILEX/fuc for more info
+          rmz_version: "3.1.1"
+          testing: false
+
       # Clone code to runner
       - name: Checkout
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5