diff --git a/package.json b/package.json
index 68a5fee..d868951 100644
--- a/package.json
+++ b/package.json
@@ -4,19 +4,19 @@
   "repository": "https://github.com/lefoy/cyanide-theme",
   "version": "3.0.0",
   "devDependencies": {
-    "colors": "1.0.3",
-    "lodash": "~2.4.1",
-    "underscore.string": "~2.3.3",
-    "grunt": "~0.4.5",
-    "grunt-bump": "0.6.0",
-    "grunt-contrib-clean": "0.6.0",
-    "grunt-contrib-copy": "0.8.2",
-    "grunt-curl": "~2.2.0",
-    "grunt-text-replace": "0.4.0",
+    "colors": "^1.1.2",
+    "grunt": "^0.4.5",
+    "grunt-bump": "^0.7.0",
+    "grunt-contrib-clean": "^1.0.0",
+    "grunt-contrib-copy": "^0.8.2",
+    "grunt-curl": "^2.2.0",
+    "grunt-text-replace": "^0.4.0",
     "grunt-verbosity": "^0.2.2",
-    "load-grunt-config": "*",
-    "load-grunt-tasks": "3.3.0",
-    "matchdep": "1.0.0",
-    "time-grunt": "1.2.2"
+    "load-grunt-config": "^0.19.1",
+    "load-grunt-tasks": "^3.4.0",
+    "lodash": "^4.5.1",
+    "matchdep": "^1.0.1",
+    "time-grunt": "^1.3.0",
+    "underscore.string": "^3.3.4"
   }
 }