diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f682fe4..91d157d 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -8,7 +8,7 @@ jobs:
         uses: actions/checkout@v4
       - name: Install dependencies
         run: |
-          brew install glfw
+          brew install glfw tree
       - name: Download c3 tool
         run: wget https://github.com/c3lang/c3c/releases/download/latest/c3-macos.zip
       - name: Extract c3 tool