diff --git a/package.json b/package.json
index 07bdfda..d46e1ad 100644
--- a/package.json
+++ b/package.json
@@ -56,13 +56,13 @@
     "url": "https://github.com/AlexKhymenko/ngx-permissions/issues"
   },
   "devDependencies": {
-    "@angular/common": "5.0.0",
-    "@angular/compiler": "5.0.0",
-    "@angular/compiler-cli": "5.0.0",
-    "@angular/core": "5.0.0",
-    "@angular/platform-browser": "5.0.0",
-    "@angular/platform-browser-dynamic": "5.0.0",
-    "@angular/router": "5.0.0",
+    "@angular/common": "^4.0.0",
+    "@angular/compiler": "^4.0.0",
+    "@angular/compiler-cli": "^4.0.0",
+    "@angular/core": "^4.0.0",
+    "@angular/platform-browser": "^4.0.0",
+    "@angular/platform-browser-dynamic": "^4.0.0",
+    "@angular/router": "^4.0.0",
     "@compodoc/compodoc": "1.0.0-beta.10",
     "@types/jasmine": "2.5.38",
     "@types/node": "~6.0.60",