diff --git a/src/pyrin/__init__.py b/src/pyrin/__init__.py
index c1bd275c..1b5b34c2 100644
--- a/src/pyrin/__init__.py
+++ b/src/pyrin/__init__.py
@@ -8,4 +8,4 @@
 """
 
 
-__version__ = '0.4.27'
+__version__ = '0.4.28'