diff --git a/api/package.json b/api/package.json
old mode 100755
new mode 100644
index 6891b4d..9da2666
--- a/api/package.json
+++ b/api/package.json
@@ -11,7 +11,7 @@
   },
   "dependencies": {
     "app-module-path": "1.1.0",
-    "koa": "1.2.0",
+    "koa": "1.7.1",
     "koa-conditional-get": "1.0.3",
     "koa-etag": "2.1.1",
     "koa-handlebars": "0.5.7",