diff --git a/schainpy/VERSION b/schainpy/VERSION
index 067bc4b..c504c75 100644
--- a/schainpy/VERSION
+++ b/schainpy/VERSION
@@ -42,4 +42,12 @@ VERSIONS:
 
 2.2.0:
 -GUI: use of external plotter
-
+-Compatible with matplotlib 1.5.0
+
+2.2.1:
+-Bugs fixed in GUI
+-Views were improved in GUI
+-Support to MST-ISR experiments
+-Bug fixed getting noise using hyldebrant. (minimum number of points > 20%)
+-handleError added to jroplotter.py
+-
diff --git a/schainpy/__init__.py b/schainpy/__init__.py
index 232e9f3..4c50e52 100644
--- a/schainpy/__init__.py
+++ b/schainpy/__init__.py
@@ -4,4 +4,4 @@ Created on Feb 7, 2012
 @author $Author$
 @version $Id$
 '''
-__version__ = "2.2.0"
\ No newline at end of file
+__version__ = "2.2.1"
\ No newline at end of file