diff --git a/CHANGELOG.md b/CHANGELOG.md
index 386d1646..d9957df4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## [v4.13.3] - 2023-07-25
+
+### Fixed:
+- **[dnsprovider]** azuredns: fix configuration from env vars
+- **[dnsprovider]** gcore: change API domain
+- 
 ## [v4.13.2] - 2023-07-21
 
 ### Fixed:
diff --git a/acme/api/internal/sender/useragent.go b/acme/api/internal/sender/useragent.go
index 553218a6..12c7bed3 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/4.13.2"
+	ourUserAgent = "xenolf-acme/4.13.3"
 
 	// 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"
 )