diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5771d75bd..e94311b8e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.4.0] - 2022-04-02
+
 ### Breaking changes
 
 * Dropped support for config in `~/.jjconfig`. Your configuration is now read
diff --git a/Cargo.lock b/Cargo.lock
index ef93037d5..42a2127b9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -713,7 +713,7 @@ dependencies = [
 
 [[package]]
 name = "jujutsu"
-version = "0.3.3"
+version = "0.4.0"
 dependencies = [
  "assert_cmd",
  "atty",
@@ -745,7 +745,7 @@ dependencies = [
 
 [[package]]
 name = "jujutsu-lib"
-version = "0.3.3"
+version = "0.4.0"
 dependencies = [
  "assert_matches",
  "backoff",
diff --git a/Cargo.toml b/Cargo.toml
index 94c873721..53617247f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "jujutsu"
-version = "0.3.3"
+version = "0.4.0"
 authors = ["Martin von Zweigbergk <martinvonz@google.com>"]
 edition = "2021"
 license = "Apache-2.0"
@@ -42,7 +42,7 @@ hex = "0.4.3"
 indoc = "1.0.4"
 insta = "1.14.0"
 itertools = "0.10.3"
-jujutsu-lib = { version = "=0.3.3", path = "lib"}
+jujutsu-lib = { version = "=0.4.0", path = "lib"}
 maplit = "1.0.2"
 pest = "2.1.3"
 pest_derive = "2.1.0"
diff --git a/lib/Cargo.toml b/lib/Cargo.toml
index 3ff6d3689..b6cfc6d75 100644
--- a/lib/Cargo.toml
+++ b/lib/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "jujutsu-lib"
-version = "0.3.3"
+version = "0.4.0"
 authors = ["Martin von Zweigbergk <martinvonz@google.com>"]
 edition = "2021"
 license = "Apache-2.0"