diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8ed71aa..8cafe46 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,11 @@
 Changelog
 =========
 
+8.18.1
+------
+
+- Add missing `https://` to the default Microsoft Graph URL
+
 8.18.0
 ------
 
diff --git a/parsedmarc/__init__.py b/parsedmarc/__init__.py
index c8f5ad9..8a44e1d 100644
--- a/parsedmarc/__init__.py
+++ b/parsedmarc/__init__.py
@@ -39,7 +39,7 @@ from parsedmarc.utils import is_outlook_msg, convert_outlook_msg
 from parsedmarc.utils import parse_email
 from parsedmarc.utils import timestamp_to_human, human_timestamp_to_datetime
 
-__version__ = "8.18.0"
+__version__ = "8.18.1"
 
 logger.debug("parsedmarc v{0}".format(__version__))