diff --git a/CHANGELOG.md b/CHANGELOG.md
index de936f1d570..85915c5e177 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@
 - Gleam can now run eunit without an external build tool.
 - Gleam can now run an Erlang shell without an external build tool.
 
+## v0.12.0 - 2020-10-31
+
+#### [Release Blog Post](https://gleam.run/news/gleam-v0.12-and-gleam-otp-v0.1-released/)
+
 ## v0.12.0-rc4 - 2020-10-31
 
 - The rendered module documentation sidebar can now scroll independently to
diff --git a/Cargo.lock b/Cargo.lock
index 5c75f1f3aaa..c18f89e2042 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -604,7 +604,7 @@ dependencies = [
 
 [[package]]
 name = "gleam"
-version = "0.12.0-dev"
+version = "0.12.0"
 dependencies = [
  "askama",
  "atty",
diff --git a/Cargo.toml b/Cargo.toml
index 0b39dfc4e3d..d6c22db201e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "gleam"
-version = "0.12.0-dev"
+version = "0.12.0"
 authors = ["Louis Pilfold <louis@lpil.uk>"]
 edition = "2018"