diff --git a/.github/workflows/fox32os-unstable.yml b/.github/workflows/fox32os-unstable.yml
index c325afe..6037750 100644
--- a/.github/workflows/fox32os-unstable.yml
+++ b/.github/workflows/fox32os-unstable.yml
@@ -36,6 +36,11 @@ jobs:
           workflow: tools-unstable-linux.yml
           workflow_conclusion: success
 
+      - name: Install lua5.4
+        run: |
+          sudo apt update
+          sudo apt install -y lua5.4
+
       - name: Build
         run: |
           mkdir ../fox32rom