diff --git a/CHANGELOG.md b/CHANGELOG.md
index c44bf75e..208a5ab8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,9 +3,13 @@ Change Log
 
 HEAD
 ----
-- Dropped support for Python 3.8 which is EOL per October 7, 2024.
 
 
+5.5.0
+-----
+- Dropped support for Python 3.8 which is EOL per October 7, 2024.
+- Fix setting OOF on servers that only accept UTC timestamps.
+
 5.4.3
 -----
 - Fix access to shared folders
diff --git a/exchangelib/__init__.py b/exchangelib/__init__.py
index 940a7619..288b6e5c 100644
--- a/exchangelib/__init__.py
+++ b/exchangelib/__init__.py
@@ -36,7 +36,7 @@
 from .transport import BASIC, CBA, DIGEST, GSSAPI, NTLM, OAUTH2, SSPI
 from .version import Build, Version
 
-__version__ = "5.4.3"
+__version__ = "5.5.0"
 
 __all__ = [
     "AcceptItem",