diff --git a/version.py b/version.py
index 455560b..0c22e78 100644
--- a/version.py
+++ b/version.py
@@ -17,4 +17,4 @@
 # US Patents 2008-2021: US7424516, US20140161250, US20140177813, US8638908, US8068604, US8553852, US10530923, US10530924
 # China Patent: CN102017585  -  Europe Patent: EU2156652  -  Patents Pending
 
-__version__ = "2.3.1a18"
+__version__ = "2.3.1a19"