diff --git a/parsedmarc/__init__.py b/parsedmarc/__init__.py
index cc075e3..6f4162d 100644
--- a/parsedmarc/__init__.py
+++ b/parsedmarc/__init__.py
@@ -44,7 +44,7 @@ import imapclient.exceptions
 import dateparser
 import mailparser
 
-__version__ = "4.2.0"
+__version__ = "4.2.0k"
 
 logger = logging.getLogger(__name__)
 logger.setLevel(logging.ERROR)