diff --git a/.github/workflows/publish-imagekit.yml b/.github/workflows/publish-imagekit.yml
index 33d06fe..8e57ab5 100644
--- a/.github/workflows/publish-imagekit.yml
+++ b/.github/workflows/publish-imagekit.yml
@@ -10,7 +10,7 @@ on:
 jobs:
   publish:
     name: Publish to npm
-    runs-on: ubuntu-latest
+    runs-on: macos-26
     environment: npm-publish
     permissions:
       contents: read
@@ -53,6 +53,10 @@ jobs:
         working-directory: apps/imagekit
         run: bun run build:npm
 
+      - name: Install image tools (test gate)
+        if: steps.check.outputs.exists == 'false'
+        run: brew install exiftool imagemagick libavif webp
+
       - name: Validate package
         if: steps.check.outputs.exists == 'false'
         working-directory: apps/imagekit