diff --git a/sjrpc/__init__.py b/sjrpc/__init__.py
index 5f4da16883515b5a31e5f83aae4e912e9b70cc50..d201d9fa10616d312d392f469d58e1a1e7278cfb 100644
--- a/sjrpc/__init__.py
+++ b/sjrpc/__init__.py
@@ -31,4 +31,4 @@ The library is separated into three parts:
  * **utils** package contains some helpers used in previous libraries.
 """
 
-__version__ = '19'
+__version__ = '20'