diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index fc9cd18..cf6a069
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
   "license": "MIT",
   "dependencies": {
     "bluebird": "3.2.2",
-    "knex": "^0.15.0",
+    "knex": "^0.20.1",
     "lodash": "^4.17.11"
   },
   "repository": {