diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3131056..bb1bced 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 
 ## Version 0.x.y (202x-xx-xx)
 
-## Version 0.4.0 (2025-11-19)
+## Version 0.4.0 (2026-08-30)
 
 - Migrated to syn 2.0
 - Bumped MSRV to 1.76.0
diff --git a/Cargo.toml b/Cargo.toml
index bad4d1d..c122bde 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,9 +1,9 @@
 [package]
 name = "trait-set"
-version = "0.3.0"
+version = "0.4.0"
 authors = ["Igor Aleksanov <popzxc@yandex.ru>"]
 edition = "2018"
-rust-version = "1.68"
+rust-version = "1.76"
 repository = "https://github.com/popzxc/trait-set"
 documentation = "https://docs.rs/trait-set"
 readme = "README.md"