diff --git a/CHANGELOG.md b/CHANGELOG.md
index ccbed9e..972de13 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+<a name="2.5.0"></a>
+# [2.5.0](https://github.com/atomastic/strings) (2021-01-29)
+* fix contains() method
+* improve before() method
+
 <a name="2.4.0"></a>
 # [2.4.0](https://github.com/atomastic/strings) (2020-12-05)
 * add copy() method.
diff --git a/LICENSE b/LICENSE
index cacc3f0..6b05ac2 100755
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2020 Sergey Romanenko
+Copyright (c) 2021 Sergey Romanenko
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/README.md b/README.md
index 073bd72..75a6e0a 100644
--- a/README.md
+++ b/README.md
@@ -2307,4 +2307,4 @@ Run tests
 
 ### License
 [The MIT License (MIT)](https://github.com/atomastic/strings/blob/master/LICENSE)
-Copyright (c) 2020 [Sergey Romanenko](https://github.com/Awilum)
+Copyright (c) 2021 [Sergey Romanenko](https://github.com/Awilum)
diff --git a/composer.json b/composer.json
index 84daf1b..e4d3262 100644
--- a/composer.json
+++ b/composer.json
@@ -31,8 +31,8 @@
         ]
     },
     "require-dev": {
-        "doctrine/coding-standard": "8.1.0",
-        "pestphp/pest": "^0.3.3",
-        "phpstan/phpstan": "^0.12.42"
+        "doctrine/coding-standard": "8.2.0",
+        "pestphp/pest": "^1.0.1",
+        "phpstan/phpstan": "^0.12.70"
     }
 }