diff --git a/docs/source/conf.py b/docs/source/conf.py
index e5f10c40..bbb69228 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -58,9 +58,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = '1.6.3'
+version = '1.6.4'
 # The full version, including alpha/beta/rc tags.
-release = '1.6.3'
+release = '1.6.4'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/setup.py b/setup.py
index e88f3856..263753a2 100755
--- a/setup.py
+++ b/setup.py
@@ -295,7 +295,7 @@ def gssapi_modules(lst):
 
 setup(
     name='gssapi',
-    version='1.6.3',
+    version='1.6.4',
     author='The Python GSSAPI Team',
     author_email='rharwood@redhat.com',
     packages=['gssapi', 'gssapi.raw', 'gssapi.raw._enum_extensions',