diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2cda643..109c639 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 0.4.0
+
+Tokio has been purged. This crate now uses async-std.
+
 ## 0.3.0
 
 ### maj
diff --git a/VERSION b/VERSION
index 0d91a54..1d0ba9e 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.3.0
+0.4.0