diff --git a/coremltools/__init__.py b/coremltools/__init__.py
index bdf3c3c33..5ca87e4b8 100644
--- a/coremltools/__init__.py
+++ b/coremltools/__init__.py
@@ -22,7 +22,7 @@
 For more information: http://developer.apple.com/documentation/coreml
 """
 
-__version__ = '3.2'
+__version__ = '3.3'
 
 # This is the basic Core ML specification format understood by iOS 11.0
 SPECIFICATION_VERSION = 1