diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index b9c4092..f3daec2 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -23,7 +23,8 @@ jobs:
 
       - uses: awalsh128/cache-apt-pkgs-action@v1
         with:
-          packages: llvm
+          packages: |
+            llvm
           execute_install_scripts: true
 
       - name: Restore cache