diff --git a/docs/conf.py b/docs/conf.py
index c395a23..e0cb6a5 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -21,7 +21,7 @@
 author = u'Vanya A. Sergeev'
 
 # The short X.Y version.
-version = '2.1.1'
+version = '2.2.0'
 # The full version, including alpha/beta/rc tags.
 release = version
 
diff --git a/periphery/__init__.py b/periphery/__init__.py
index abbcaf9..dc046b3 100644
--- a/periphery/__init__.py
+++ b/periphery/__init__.py
@@ -1,9 +1,9 @@
 import time
 
-__version__ = "2.1.1"
+__version__ = "2.2.0"
 "Module version string."
 
-version = (2, 1, 1)
+version = (2, 2, 0)
 "Module version tuple."
 
 
diff --git a/setup.py b/setup.py
index 03f4c62..c45b46e 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 
 setup(
     name='python-periphery',
-    version='2.1.1',
+    version='2.2.0',
     description='A pure Python 2/3 library for peripheral I/O (GPIO, LED, PWM, SPI, I2C, MMIO, Serial) in Linux.',
     author='vsergeev',
     author_email='v@sergeev.io',