diff --git a/Cargo.toml b/Cargo.toml
index 7e3123b6fe..e0f7a713b9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 
 name = "generic-array"
-version = "0.3.2"
+version = "0.4.0"
 authors = [ "Bartłomiej Kamiński <fizyk20@gmail.com>" ]
 description = "Generic types implementing functionality of arrays"
 license = "MIT"