diff --git a/CHANGELOG.md b/CHANGELOG.md
index 87f83f22..680e59ee 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,18 @@
 # Changelog
 
+## [v2.4.0] - 2019-03-25
+
+- Migrate from xenolf/lego to go-acme/lego.
+
+### Added:
+- **[dnsprovider]** Add DNS Provider for Domain Offensive (do.de)
+- **[dnsprovider]** Adds information about '_FILE' suffix.
+
+### Fixed:
+- **[cli,dnsprovider]** Add 'manual' provider to the output of dnshelp
+- **[dnsprovider]** hostingde: Use provided ZoneName instead of domain
+- **[dnsprovider]** pdns: fix wildcard with SANs
+
 ## [v2.3.0] - 2019-03-11
 
 ### Added:
diff --git a/acme/api/internal/sender/useragent.go b/acme/api/internal/sender/useragent.go
index b8d84a0f..822ea5b1 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/2.3.0"
+	ourUserAgent = "xenolf-acme/2.4.0"
 
 	// 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"
 )