diff --git a/CHANGES.md b/CHANGES.md
index 1b5d66ee0..29bb765da 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -5,6 +5,9 @@
   reference to a dynamically defined class from the `__main__` module.
   ([issue #131]( https://github.com/cloudpipe/cloudpickle/issues/131)).
 
+- Fixed a crash in Python 2 when serializing non-hashable instancemethods of built-in
+  types. ([issue #144](https://github.com/cloudpipe/cloudpickle/issues/144))
+
 0.4.2
 =====
 
diff --git a/cloudpickle/__init__.py b/cloudpickle/__init__.py
index 357c1317c..35b1ef04b 100644
--- a/cloudpickle/__init__.py
+++ b/cloudpickle/__init__.py
@@ -2,4 +2,4 @@
 
 from cloudpickle.cloudpickle import *
 
-__version__ = '0.4.1'
+__version__ = '0.4.3'
diff --git a/setup.py b/setup.py
index 1c85d2f52..41cf9cf36 100644
--- a/setup.py
+++ b/setup.py
@@ -8,7 +8,7 @@
 
 dist = setup(
     name='cloudpickle',
-    version='0.4.2',
+    version='0.4.3',
     description='Extended pickling support for Python objects',
     author='Cloudpipe',
     author_email='cloudpipe@googlegroups.com',