diff --git a/meld_graph/__init__.py b/meld_graph/__init__.py
index 600223a..1cfadf0 100644
--- a/meld_graph/__init__.py
+++ b/meld_graph/__init__.py
@@ -1,3 +1,3 @@
 __author__ = __maintainer__ = "MELD development team"
 __email__ = "meld.study@gmail.com"
-__version__ = "2.1.0"
\ No newline at end of file
+__version__ = "2.2.0"
\ No newline at end of file
diff --git a/scripts/__init__.py b/scripts/__init__.py
index 600223a..1cfadf0 100644
--- a/scripts/__init__.py
+++ b/scripts/__init__.py
@@ -1,3 +1,3 @@
 __author__ = __maintainer__ = "MELD development team"
 __email__ = "meld.study@gmail.com"
-__version__ = "2.1.0"
\ No newline at end of file
+__version__ = "2.2.0"
\ No newline at end of file
diff --git a/setup.py b/setup.py
index cb1ea7e..2cc6189 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 except ImportError:
     __author__ = __maintainer__ = "MELD development team"
     __email__ = "meld.study@gmail.com"
-    __version__ = "2.1.0"
+    __version__ = "2.2.0"
 
 setup(
     name="meld_graph",