diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7b560e3..c297211 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,7 +7,23 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
-## v0.2.0
+## v0.4.0
+
+### Changed
+
+* A failure to kill the agent in the post-action step will no longer fail the workflow run. That way, you can kill the agent yourself when necessary (#33).
+
+## v0.3.0 [2020-05-18]
+
+### Added 
+
+* A new post-action step will automatically clean up the running agent at the end of a job. This helps with self-hosted runners, which are non-ephemeral. (@thommyhh, #27)
+
+### Changed
+
+* Unless the SSH_AUTH_SOCK is configured explicitly, the SSH agent will now use a random file name for the socket. That way, multiple, concurrent SSH agents can be used on self-hosted runners. (@thommyhh, #27)
+
+## v0.2.0 [2020-01-14]
 
 ### Added
 
@@ -16,3 +32,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 * Catch empty ssh-private-key input values and exit with a helpful
   error message right away.
+
+## v0.1.0 [2019-09-15]
+
+Initial release.