diff --git a/HISTORY.rst b/HISTORY.rst
index 99447b2f..09270ef1 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -7,6 +7,10 @@ History
 ______________________
 
 * Added Interface objects for storing complicated sets of I/O signals for subsystems.
+* ERC no longer redundantly checks every segment of a multi-segment net and reports multiple errors.
+* copy() function of Part, Bus, Pin, Net objects now returns a scalar object while copy(1) returns a list with one object.
+* Bus, Pin, and Net objects now have iterators.
+* Corrected initialization of KiCad library search paths.
 
 
 0.0.21 (2018-04-30)
diff --git a/setup.py b/setup.py
index fbcc107b..df32aeec 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 import sys
 import setuptools
 
-__version__ = '0.0.21'
+__version__ = '0.0.22'
 __author__ = 'XESS Corp.'
 __email__ = 'info@xess.com'
 
diff --git a/skidl/pckg_info.py b/skidl/pckg_info.py
index f249ee7f..d3ae6e44 100644
--- a/skidl/pckg_info.py
+++ b/skidl/pckg_info.py
@@ -1,3 +1,3 @@
-__version__ = '0.0.21'
+__version__ = '0.0.22'
 __author__ = 'XESS Corp.'
 __email__ = 'info@xess.com'