diff --git a/servers/constant-contact/package.json b/servers/constant-contact/package.json
index 88cec4b..ff13400 100644
--- a/servers/constant-contact/package.json
+++ b/servers/constant-contact/package.json
@@ -11,7 +11,8 @@
     "build": "tsc && chmod +x dist/main.js",
     "dev": "tsc --watch",
     "start": "node dist/main.js",
-    "prepare": "npm run build"
+    "prepare": "npm run build",
+    "prepublishOnly": "npm run build"
   },
   "keywords": [
     "mcp",