diff --git a/CHANGELOG.md b/CHANGELOG.md
index 317411f8..77c12847 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,24 @@
 # Changelog
 
+## [v2.6.0] - 2019-05-27
+
+### Added:
+- **[dnsprovider]** Add support for Joker.com DMAPI
+- **[dnsprovider]** Add support for Bindman DNS provider
+- **[dnsprovider]** Add support for EasyDNS
+- **[lib]** Get an existing certificate by URL
+
+### Changed:
+- **[dnsprovider]** digitalocean: LEGO_EXPERIMENTAL_CNAME_SUPPORT support
+- **[dnsprovider]** gcloud: Use fqdn to get zone Present/CleanUp
+- **[dnsprovider]** exec: serial behavior
+- **[dnsprovider]** manual: serial behavior.
+- **[dnsprovider]** Strip newlines when reading environment variables from `_FILE` suffixed files.
+
+### Fixed:
+- **[cli]** fix: cli disable-cp option.
+- **[dnsprovider]** gcloud: fix zone visibility.
+
 ## [v2.5.0] - 2019-04-17
 
 ### Added:
diff --git a/acme/api/internal/sender/useragent.go b/acme/api/internal/sender/useragent.go
index 11bacb00..9671434c 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/2.5.0"
+	ourUserAgent = "xenolf-acme/2.6.0"
 
 	// 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"
 )