diff --git a/py25/bacpypes/__init__.py b/py25/bacpypes/__init__.py
index 2090886f..d5bd7fd1 100755
--- a/py25/bacpypes/__init__.py
+++ b/py25/bacpypes/__init__.py
@@ -18,7 +18,7 @@
 #   Project Metadata
 #
 
-__version__ = '0.18.3'
+__version__ = '0.18.4'
 __author__ = 'Joel Bender'
 __email__ = 'joel@carrickbender.com'
 
diff --git a/py27/bacpypes/__init__.py b/py27/bacpypes/__init__.py
index 2090886f..d5bd7fd1 100755
--- a/py27/bacpypes/__init__.py
+++ b/py27/bacpypes/__init__.py
@@ -18,7 +18,7 @@
 #   Project Metadata
 #
 
-__version__ = '0.18.3'
+__version__ = '0.18.4'
 __author__ = 'Joel Bender'
 __email__ = 'joel@carrickbender.com'
 
diff --git a/py34/bacpypes/__init__.py b/py34/bacpypes/__init__.py
index f1acb644..616866af 100755
--- a/py34/bacpypes/__init__.py
+++ b/py34/bacpypes/__init__.py
@@ -18,7 +18,7 @@
 #   Project Metadata
 #
 
-__version__ = '0.18.3'
+__version__ = '0.18.4'
 __author__ = 'Joel Bender'
 __email__ = 'joel@carrickbender.com'