diff --git a/package.json b/package.json
index 5ba410a..6c1f0cf 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
   "peerDependencies": {
     "react": "*",
     "react-dom": "*",
-    "chart.js": "*"
+    "chart.js": "^1.1.1"
   },
   "devDependencies": {
     "uglify-js": "^2.4.16",