diff --git a/CHANGELOG.md b/CHANGELOG.md
index 680e59ee..317411f8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,21 @@
 # Changelog
 
+## [v2.5.0] - 2019-04-17
+
+### Added:
+- **[cli]** Adds renew hook
+- **[dnsprovider]** Adds 'Since' to DNS providers documentation
+
+### Changed:
+- **[dnsprovider]** gcloud: use public DNS zones
+- **[dnsprovider]** route53: enhance documentation.
+
+### Fixed:
+- **[dnsprovider]** cloudns: fix TTL and status validation
+- **[dnsprovider]** sakuracloud: supports concurrent update
+- **[dnsprovider]** Disable authz when solve fail.
+- Add tzdata to the Docker image.
+
 ## [v2.4.0] - 2019-03-25
 
 - Migrate from xenolf/lego to go-acme/lego.
diff --git a/acme/api/internal/sender/useragent.go b/acme/api/internal/sender/useragent.go
index cb8bf22e..f0171954 100644
--- a/acme/api/internal/sender/useragent.go
+++ b/acme/api/internal/sender/useragent.go
@@ -5,10 +5,10 @@ package sender
 
 const (
 	// ourUserAgent is the User-Agent of this underlying library package.
-	ourUserAgent = "xenolf-acme/2.4.0"
+	ourUserAgent = "xenolf-acme/2.5.0"
 
 	// ourUserAgentComment is part of the UA comment linked to the version status of this underlying library package.
 	// values: detach|release
 	// NOTE: Update this with each tagged release.
-	ourUserAgentComment = "detach"
+	ourUserAgentComment = "release"
 )