diff --git a/CHANGELOG.md b/CHANGELOG.md
index 11318351..a28f7095 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,15 @@
 ChangeLog
 =========
 
+4.5.6 (2024-10-14)
+------------------
+
+* #662: add PHP 8.4 to CI (@phil-davis)
+* #669: fix: check if event status was changed to cancelled and generate appropriate message (@SebastianKrupinski)
+* #673: Fix Implicitly marking parameter $param as nullable is deprecated (@cedric-anne)
+* #675: refactor: Replace dirname(__FILE__) with __DIR__ (@ChristophWurst)
+* #692: Throw InvalidDataException when RRule is invalid (@mathroc)
+
 4.5.5 (2024-07-02)
 ------------------
 
diff --git a/lib/Version.php b/lib/Version.php
index 309b995c..060c69a3 100644
--- a/lib/Version.php
+++ b/lib/Version.php
@@ -14,5 +14,5 @@ class Version
     /**
      * Full version number.
      */
-    public const VERSION = '4.5.5';
+    public const VERSION = '4.5.6';
 }