diff --git a/nlpir/__init__.py b/nlpir/__init__.py
index 00e74d6..1674706 100644
--- a/nlpir/__init__.py
+++ b/nlpir/__init__.py
@@ -7,7 +7,7 @@
 import functools
 from .exception import NLPIRException
 
-__version__ = "0.9.12"
+__version__ = "0.9.13"
 PACKAGE_DIR = os.path.abspath(os.path.dirname(__file__))
 logger = logging.getLogger("nlpir")