diff --git a/pynamodb/__init__.py b/pynamodb/__init__.py
index c80cfeb73..8cc90a6ef 100644
--- a/pynamodb/__init__.py
+++ b/pynamodb/__init__.py
@@ -7,4 +7,4 @@
 """
 __author__ = 'Jharrod LaFon'
 __license__ = 'MIT'
-__version__ = '2.1.5'
+__version__ = '2.1.6'