diff --git a/Changelog.md b/Changelog.md
index cbf56a81..dad9e47c 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## v0.12.0 (unreleased)
+## v0.12.0 (2019-08-05)
 
 - Implement HTTP/3.
 - Rename `quic.Cookie` to `quic.Token` and `quic.Config.AcceptCookie` to `quic.Config.AcceptToken`.