diff --git a/.github/workflows/buildiso.yaml b/.github/workflows/buildiso.yaml
index b62dd5f..97fbefb 100644
--- a/.github/workflows/buildiso.yaml
+++ b/.github/workflows/buildiso.yaml
@@ -49,6 +49,19 @@ jobs:
 
     runs-on: ubuntu-latest
     steps:
+    - run: df -h
+    - name: Maximize build space
+      uses: easimon/maximize-build-space@master
+      with:
+        root-reserve-mb: 512
+        swap-size-mb: 1024
+        tmp-reserve-mb: 4096
+        remove-dotnet: 'true'
+        remove-android: 'true'
+        remove-haskell: 'true'
+        remove-codeql: 'true'
+        remove-docker-images: 'true'
+    - run: df -h
     - name: Get current time
       uses: 1466587594/get-current-time@v2
       id: current_time