diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 4fbee31..7f6f99a 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -21,6 +21,11 @@ jobs:
     - name: 🚚 Get latest code
       uses: actions/checkout@v4
 
+    # https://d2lang.com/tour/install/
+    - name: Install D2
+      run: |
+        curl -fsSL https://d2lang.com/install.sh | sh -s --          
+
     - name: Install bun
       uses: oven-sh/setup-bun@v1
       with: