diff --git a/nmc_met_io/__init__.py b/nmc_met_io/__init__.py
index 62a7c0f..35358e5 100644
--- a/nmc_met_io/__init__.py
+++ b/nmc_met_io/__init__.py
@@ -4,4 +4,4 @@ from various data sources.
 """
 
 __author__ = "The R & D Center for Weather Forecasting Technology in NMC, CMA"
-__version__ = '0.1.7'
+__version__ = '0.1.8'