diff --git a/Cargo.toml b/Cargo.toml
index ccd88f0..eef1844 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "activitypub_federation"
-version = "0.4.0-rc3"
+version = "0.4.0"
 edition = "2021"
 description = "High-level Activitypub framework"
 keywords = ["activitypub", "activitystreams", "federation", "fediverse"]