diff --git a/CHANGELOG.md b/CHANGELOG.md
index bafd9b6..b739fe2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,8 +5,14 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+
 ## [Unreleased]
 
+No unreleased changes.
+
+
+## [0.1.0] - 2018-03-02
+
 ### Added
 
   - RSpec tests.
@@ -15,11 +21,17 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
   - Support for reading gzipped log files.
 
+  - Support for FlameGraph output.
+
 ### Changed
 
   - Profiled events are now separated by request and Java thread id. Incomplete
     profiles are dropped.
 
+  - Inclusive and exclusive times are computed for each profile span. Output
+    uses exclisive time so that hot spots aren't hidden by spans double
+    counting the time taken by their children.
+
 ### Removed
 
   - Dependency on the `colored` and `terminal-table` gems.
@@ -28,4 +40,11 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
     future, but for now the project will focus on parsing profile data.
 
 
-[Unreleased]: https://github.com/Sharpie/puppet-profile-parser/compare/170a9ed...HEAD
+## [0.0.1] - 2014-05-19
+
+Initial version by [Adrien Thebo](https://github.com/adrienthebo)
+
+
+[Unreleased]: https://github.com/Sharpie/puppet-profile-parser/compare/0.1.0...HEAD
+[0.1.0]: https://github.com/Sharpie/puppet-profile-parser/compare/0.0.1...0.1.0
+[0.0.1]: https://github.com/Sharpie/puppet-profile-parser/compare/53a9d9f...0.0.1
diff --git a/profile-parser.rb b/profile-parser.rb
index 65e97cf..1e5097f 100755
--- a/profile-parser.rb
+++ b/profile-parser.rb
@@ -4,6 +4,8 @@
 require 'optparse'
 
 module PuppetProfiler
+  VERSION = '0.1.0'.freeze
+
   # Utility functions for terminal interaction
   module Tty
     COLOR_CODES = {
@@ -390,6 +392,11 @@ def initialize(argv = [])
           $stdout.puts(parser.help)
           exit 0
         end
+
+        parser.on_tail('--version', 'Show version') do
+          puts VERSION
+          exit 0
+        end
       end
 
       args = argv.dup