diff --git a/CHANGELOG.md b/CHANGELOG.md
index 019b1ecf2..c7891d698 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,11 @@
 ChangeLog
 =========
 
+4.5.2 (2023-01-20)
+------------------
+
+* #603: Support sabre/xml v4 (@gharlan)
+
 4.5.1 (2022-10-09)
 ------------------
 
diff --git a/lib/Version.php b/lib/Version.php
index 4304a6e11..893f272d3 100644
--- a/lib/Version.php
+++ b/lib/Version.php
@@ -14,5 +14,5 @@ class Version
     /**
      * Full version number.
      */
-    public const VERSION = '4.5.1';
+    public const VERSION = '4.5.2';
 }