diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3f57a0b..1074723 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 4.2.0
+
+* Update dependencies
+
 ## 4.1.0
 
 * Update dependencies
diff --git a/example/pubspec.lock b/example/pubspec.lock
index aab882f..6b5db87 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -15,15 +15,15 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "3.0.3"
+    version: "4.2.0"
   blockchain_utils:
     dependency: "direct main"
     description:
       name: blockchain_utils
-      sha256: "9701dfaa74caad4daae1785f1ec4445cf7fb94e45620bc3a4aca1b9b281dc6c9"
+      sha256: "38ef5f4a22441ac4370aed9071dc71c460acffc37c79b344533f67d15f24c13c"
       url: "https://pub.dev"
     source: hosted
-    version: "1.6.0"
+    version: "2.1.1"
   boolean_selector:
     dependency: transitive
     description:
diff --git a/example/pubspec.yaml b/example/pubspec.yaml
index d3edc46..7e5a36b 100644
--- a/example/pubspec.yaml
+++ b/example/pubspec.yaml
@@ -37,7 +37,7 @@ dependencies:
   cupertino_icons: ^1.0.2
   bitcoin_base: 
     path: ../
-  blockchain_utils: ^1.6.0
+  blockchain_utils: ^2.1.0
   http: ^1.2.0
 
 dev_dependencies:
diff --git a/pubspec.yaml b/pubspec.yaml
index fc4b8f7..a776122 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: bitcoin_base
 description: A versatile library for Bitcoin, Dogecoin, Litecoin, Dash, BSV, and BCH. Supports P2PKH, P2SH, P2WPKH, P2WSH, P2TR, with advanced creation, signing, and spending capabilities.
-version: 4.1.0
+version: 4.2.0
 homepage: "https://github.com/mrtnetwork/bitcoin_base"
 repository: "https://github.com/mrtnetwork/bitcoin_base"
 Author: mrhaydari.t@gmail.com
@@ -16,7 +16,7 @@ environment:
 
 
 dependencies:
-  blockchain_utils: ^2.0.1
+  blockchain_utils: ^2.1.1
     
 
 dev_dependencies: