diff --git a/CHANGELOG.md b/CHANGELOG.md
index 103d3a4..4330e97 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## Unreleased
+## v0.5.0 - 2023-09-13
 
 - The `wisp` module gains the `set_cookie`, `get_cookie`, `json_response` and
   `priv_directory` functions.
diff --git a/gleam.toml b/gleam.toml
index b3daca9..b7c7944 100644
--- a/gleam.toml
+++ b/gleam.toml
@@ -1,5 +1,5 @@
 name = "wisp"
-version = "0.4.0"
+version = "0.5.0"
 gleam = ">= 0.30.0"
 description = "A practical web framework for Gleam"
 licences = ["Apache-2.0"]