diff --git a/package.json b/package.json
index e54e2f3f..d142df31 100644
--- a/package.json
+++ b/package.json
@@ -65,5 +65,5 @@
     "test": "karma start",
     "watch": "gulp watch"
   },
-  "version": "3.1.1"
+  "version": "4.0.0"
 }
diff --git a/src/raty.js b/src/raty.js
index 57656e78..b0b42d06 100644
--- a/src/raty.js
+++ b/src/raty.js
@@ -1,3 +1,13 @@
+/*!
+ * Raty - A Star Rating Plugin
+ *
+ * The MIT License
+ *
+ * author:  Washington Botelho
+ * github:  wbotelhos/raty
+ * version: 4.0.0
+ *
+ */
 class Raty {
   /**
    *
diff --git a/yarn.lock b/yarn.lock
index f43452b8..27e342bb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1920,7 +1920,7 @@ d@1, d@^1.0.1:
     es5-ext "^0.10.50"
     type "^1.0.1"
 
-date-format@^4.0.13, date-format@^4.0.14:
+date-format@^4.0.14:
   version "4.0.14"
   resolved "https://registry.yarnpkg.com/date-format/-/date-format-4.0.14.tgz#7a8e584434fb169a521c8b7aa481f355810d9400"
   integrity sha512-39BOQLs9ZjKh0/patS9nrT8wc3ioX3/eA/zgbKNopnF2wCqJEoxywwwElATYvRsXdnOxA/OQeQoFZ3rFjVajhg==
@@ -2509,7 +2509,7 @@ flat-cache@^3.0.4:
     flatted "^3.1.0"
     rimraf "^3.0.2"
 
-flatted@^3.1.0, flatted@^3.2.6:
+flatted@^3.1.0, flatted@^3.2.7:
   version "3.2.7"
   resolved "https://registry.yarnpkg.com/flatted/-/flatted-3.2.7.tgz#609f39207cb614b89d0765b477cb2d437fbf9787"
   integrity sha512-5nqDSxl8nn5BSNxyR3n4I6eDmbolI6WT+QqR547RwxQapgjQBmtktdP+HTBb/a/zLsbzERTONyUB5pefh5TtjQ==
@@ -3426,15 +3426,15 @@ lodash@^4.17.11, lodash@^4.17.21:
   integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 log4js@^6.4.1:
-  version "6.6.1"
-  resolved "https://registry.yarnpkg.com/log4js/-/log4js-6.6.1.tgz#48f23de8a87d2f5ffd3d913f24ca9ce77895272f"
-  integrity sha512-J8VYFH2UQq/xucdNu71io4Fo+purYYudyErgBbswWKO0MC6QVOERRomt5su/z6d3RJSmLyTGmXl3Q/XjKCf+/A==
+  version "6.7.0"
+  resolved "https://registry.yarnpkg.com/log4js/-/log4js-6.7.0.tgz#fff671a74b2f6e956d135c3c756c79072809a23b"
+  integrity sha512-KA0W9ffgNBLDj6fZCq/lRbgR6ABAodRIDHrZnS48vOtfKa4PzWImb0Md1lmGCdO3n3sbCm/n1/WmrNlZ8kCI3Q==
   dependencies:
-    date-format "^4.0.13"
+    date-format "^4.0.14"
     debug "^4.3.4"
-    flatted "^3.2.6"
+    flatted "^3.2.7"
     rfdc "^1.3.0"
-    streamroller "^3.1.2"
+    streamroller "^3.1.3"
 
 make-dir@^2.0.0, make-dir@^2.1.0:
   version "2.1.0"
@@ -4535,7 +4535,7 @@ stream-shift@^1.0.0:
   resolved "https://registry.yarnpkg.com/stream-shift/-/stream-shift-1.0.1.tgz#d7088281559ab2778424279b0877da3c392d5a3d"
   integrity sha512-AiisoFqQ0vbGcZgQPY1cdP2I76glaVA/RauYR4G4thNFgkTqr90yXTo4LYX60Jl+sIlPNHHdGSwo01AvbKUSVQ==
 
-streamroller@^3.1.2:
+streamroller@^3.1.3:
   version "3.1.3"
   resolved "https://registry.yarnpkg.com/streamroller/-/streamroller-3.1.3.tgz#d95689a8c29b30d093525d0baffe6616fd62ca7e"
   integrity sha512-CphIJyFx2SALGHeINanjFRKQ4l7x2c+rXYJ4BMq0gd+ZK0gi4VT8b+eHe2wi58x4UayBAKx4xtHpXT/ea1cz8w==