diff --git a/expt/__init__.py b/expt/__init__.py
index 2b17fac..acb2ff8 100644
--- a/expt/__init__.py
+++ b/expt/__init__.py
@@ -3,7 +3,7 @@
 if sys.version_info < (3, 6):
   raise RuntimeError("This library requires python 3.6+.")
 
-__version__ = '0.4.1'
+__version__ = '0.4.2'
 
 # auto-import submodules
 from . import colors as colors