diff --git a/package.json b/package.json
index e0c9c81..534b5d9 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
   "readmeFilename": "README.md",
   "dependencies": {
     "jquery": ">=1.6.0",
-    "esprima": ">=1.2.2"
+    "esprima": "2.7.2"
   },
   "devDependencies": {
     "babel-cli": ">=6.9.0",