diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..ef262df
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,37 @@
+## [1.0.0] - 2026-03-25
+
+### Features
+
+- *(deps)* Add project dependencies
+- Create module structure
+- *(error)* Create base Error enum
+- *(CommitType)* Implement CommitType and tests
+- *(Scope)* Implement Scope and tests
+- *(Description)* Implement Description and tests
+- *(ConventionalCommit)* Implement ConventionalCommit and tests
+- *(errors)* Update error types
+- *(JjLib)* JjLib implementation
+- Complete JjLib describe implementation
+- Add interactive conventional commit workflow with jj-lib backend
+- Implement breaking change input
+- *(prompt)* Add support for wide characters in prompt preview
+- Edit body for commit messages
+
+### Bug Fixes
+
+- *(commit)* Limit complete line limit to 72 chars
+- *(config)* Load user config
+- *(prompt)* Prompt preview padding
+- *(message)* Use unicode char count for text width
+
+### Documentation
+
+- Add contributing guidelines
+- Actually write README
+
+### Miscellaneous Tasks
+
+- *(build)* Preparing for CI
+- *(build)* Add Windows build, store release binaries
+- Remove tests, redundant with coverage
+- *(artifacts)* Simplify uploaded artifacts
diff --git a/Cargo.lock b/Cargo.lock
index 59f60db..717d8b4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1650,7 +1650,7 @@ dependencies = [
 
 [[package]]
 name = "jj-cz"
-version = "1.0.0-dev"
+version = "1.0.0"
 dependencies = [
  "assert_cmd",
  "assert_fs",
diff --git a/Cargo.toml b/Cargo.toml
index 1310f0e..70b6c25 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "jj-cz"
-version = "1.0.0-dev"
+version = "1.0.0"
 description = "Conventional commits for Jujutsu"
 edition = "2024"
 publish = true