diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5c551b96f..5465a639b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,11 @@
 ChangeLog
 =========
 
+4.5.3 (2023-01-22)
+------------------
+
+* #607: Apply 'Support sabre/xml v4' and needed code changes to 4.5 branch (@phil-davis)
+
 4.5.2 (2023-01-20)
 ------------------
 
diff --git a/lib/Version.php b/lib/Version.php
index 893f272d3..63349e47e 100644
--- a/lib/Version.php
+++ b/lib/Version.php
@@ -14,5 +14,5 @@ class Version
     /**
      * Full version number.
      */
-    public const VERSION = '4.5.2';
+    public const VERSION = '4.5.3';
 }