diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1548706..1607d58 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -61,3 +61,8 @@
 - NIP 20 Command Results
 - NIP 28 Public Chat
 - NIP 51 Lists
+
+## 1.4.1
+
+- [new **a** filter](https://github.com/nostr-protocol/nips/commit/e50bf508d9014cfb19bfa8a5c4ec88dc4788d490)
+- Upgrade bip340 dependency
diff --git a/pubspec.yaml b/pubspec.yaml
index 3127442..67777f3 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: nostr
 description: A library for nostr protocol implemented in dart for flutter
-version: 1.4.0
+version: 1.4.1
 homepage: https://github.com/ethicnology/dart-nostr
 
 environment:
@@ -10,7 +10,7 @@ dev_dependencies:
   lints: ^2.0.0
   test: ^1.16.0
 dependencies:
-  bip340: ^0.1.0
+  bip340: ^0.2.0
   convert: ^3.1.1
   pointycastle: ^3.7.3
   bech32: ^0.2.2