diff --git a/package.json b/package.json
index 9602692..1b7d1c2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "awesome-react-calculator",
-  "version": "1.0.3",
+  "version": "1.0.4",
   "description": "awesome-react-calculator",
   "main": "lib/index.js",
   "module": "es/index.js",
@@ -22,14 +22,14 @@
     "test:watch": "nwb test-react --server"
   },
   "dependencies": {
-    "mathjs": "^6.0.2"
+    "mathjs": "6.0.2"
   },
   "peerDependencies": {
     "react": "15.x"
   },
   "devDependencies": {
     "babel-plugin-transform-class-properties": "^6.24.1",
-    "mathjs": "^6.0.2",
+    "mathjs": "6.0.2",
     "nwb": "0.23.x",
     "react": "^16.8.6",
     "react-dom": "^16.8.6"