diff --git a/CHANGELOG.md b/CHANGELOG.md
index a2b61e712..a5cb9c1a8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Change Log
 
+## 6.5.3 - 2020-04-18
+
+* Use Symfony intl-idn polyfill [#2550](https://github.com/guzzle/guzzle/pull/2550)
+* Remove use of internal functions [#2548](https://github.com/guzzle/guzzle/pull/2548)
+
 ## 6.5.2 - 2019-12-23
 
 * idn_to_ascii() fix for old PHP versions [#2489](https://github.com/guzzle/guzzle/pull/2489)
diff --git a/src/ClientInterface.php b/src/ClientInterface.php
index 0c8d42a1e..76872dd3a 100644
--- a/src/ClientInterface.php
+++ b/src/ClientInterface.php
@@ -15,7 +15,7 @@ interface ClientInterface
     /**
      * @deprecated Will be removed in Guzzle 7.0.0
      */
-    const VERSION = '6.5.1';
+    const VERSION = '6.5.3';
 
     /**
      * Send an HTTP request.