diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7dc1c116..d71cc23d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,16 @@
 # Changelog
 
+## [0.4.1] - 2017-09-26
+
+### Added:
+- lib: A new DNS provider for OTC.
+- lib: The `AWS_HOSTED_ZONE_ID` environment variable for the Route53 DNS provider to directly specify the zone.
+- lib: The `RFC2136_TIMEOUT` enviroment variable to make the timeout for the RFC2136 provider configurable.
+- lib: The `GCE_SERVICE_ACCOUNT_FILE` environment variable to specify a service account file for the Google Cloud DNS provider.
+
+### Fixed:
+- lib: Fixed an authentication issue with the latest Azure SDK.
+
 ## [0.4.0] - 2017-07-13
 
 ### Added:
diff --git a/README.md b/README.md
index 7006098b..b9c37443 100644
--- a/README.md
+++ b/README.md
@@ -83,7 +83,7 @@ USAGE:
    lego [global options] command [command options] [arguments...]
 
 VERSION:
-   0.4.0
+   0.4.1
 
 COMMANDS:
      run      Register an account, then create and install a certificate
diff --git a/cli.go b/cli.go
index 7f299173..3aac9e25 100644
--- a/cli.go
+++ b/cli.go
@@ -32,7 +32,7 @@ func main() {
 	app.Name = "lego"
 	app.Usage = "Let's Encrypt client written in Go"
 
-	version := "0.4.0"
+	version := "0.4.1"
 	if strings.HasPrefix(gittag, "v") {
 		version = gittag
 	}