diff --git a/CHANGELOG.md b/CHANGELOG.md
index c56746211c..cb870e71e0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,15 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Breaking changes
 
+### New features
+
+### Fixed bugs
+
+
+## [0.12.0] - 2023-12-05
+
+### Breaking changes
+
 * The `remote_branches()` revset no longer includes branches exported to the Git
   repository (so called Git-tracking branches.)
 
@@ -45,6 +54,26 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   with the actual file content.
   [#2654](https://github.com/martinvonz/jj/issues/2654)
 
+### Contributors
+
+Thanks to the people who made this release happen!
+
+* Antoine Cezar (@AntoineCezar)
+* Anton Bulakh (@necauqua)
+* Austin Seipp (@thoughtpolice)
+* Benjamin Saunders (@Ralith)
+* Carlos Precioso (@cprecioso)
+* Chris Krycho (@chriskrycho)
+* Ilya Grigoriev (@ilyagr)
+* Jason R. Coombs (@jaraco)
+* Jesse Somerville (@jessesomerville)
+* Łukasz Kurowski (@crackcomm)
+* Martin von Zweigbergk (@martinvonz)
+* mlcui (@mlcui-google)
+* Philip Metzger (@PhilipMetzger)
+* Waleed Khan (@arxanas)
+* Yuya Nishihara (@yuja)
+
 
 ## [0.11.0] - 2023-11-01
 
diff --git a/Cargo.lock b/Cargo.lock
index 6600045269..b3055c6e4b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -886,7 +886,7 @@ dependencies = [
 
 [[package]]
 name = "gen-protos"
-version = "0.11.0"
+version = "0.12.0"
 dependencies = [
  "prost-build",
 ]
@@ -1587,7 +1587,7 @@ checksum = "af150ab688ff2122fcef229be89cb50dd66af9e01a4ff320cc137eecc9bacc38"
 
 [[package]]
 name = "jj-cli"
-version = "0.11.0"
+version = "0.12.0"
 dependencies = [
  "anyhow",
  "assert_cmd",
@@ -1638,7 +1638,7 @@ dependencies = [
 
 [[package]]
 name = "jj-lib"
-version = "0.11.0"
+version = "0.12.0"
 dependencies = [
  "assert_matches",
  "async-trait",
@@ -2779,7 +2779,7 @@ dependencies = [
 
 [[package]]
 name = "testutils"
-version = "0.11.0"
+version = "0.12.0"
 dependencies = [
  "async-trait",
  "config",
diff --git a/Cargo.toml b/Cargo.toml
index 3688b671ac..1664c21e6a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,7 +5,7 @@ resolver = "2"
 members = ["cli", "lib", "lib/testutils", "lib/gen-protos"]
 
 [workspace.package]
-version = "0.11.0"
+version = "0.12.0"
 license = "Apache-2.0"
 rust-version = "1.71"                                 # NOTE: remember to update CI, contributing.md, changelog.md, and flake.nix
 edition = "2021"
@@ -103,7 +103,7 @@ zstd = "0.12.4"
 # put all inter-workspace libraries, i.e. those that use 'path = ...' here in
 # their own (alphabetically sorted) block
 
-jj-lib = { path = "lib", version = "0.11.0" }
+jj-lib = { path = "lib", version = "0.12.0" }
 testutils = { path = "lib/testutils" }
 
 [profile.release]