diff --git a/pubspec.yaml b/pubspec.yaml
index 1fb16df..1533d1f 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -4,7 +4,7 @@ version: 3.1.7
 homepage: https://github.com/Vesta-wallet/coinslib
 
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=2.14.0 <3.0.0'
 
 dependencies:
   bip39: ^1.0.6