diff --git a/docs/source/conf.py b/docs/source/conf.py
index ec83436..b82917e 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -60,7 +60,7 @@
 # built documents.
 #
 # The short X.Y version.
-version = '1.2.3'
+version = '1.2.4'
 # The full version, including alpha/beta/rc tags.
 release = version
 
diff --git a/pylj/util.py b/pylj/util.py
index bd8ea9d..06b58ad 100644
--- a/pylj/util.py
+++ b/pylj/util.py
@@ -246,7 +246,7 @@ def __version__():  # pragma: no cover
     """This will print the number of the pylj version currently in use."""
     major = 1
     minor = 2
-    micro = 3
+    micro = 4
     print("pylj-{:d}.{:d}.{:d}".format(major, minor, micro))
 
 
diff --git a/setup.py b/setup.py
index 20481ae..99908f1 100644
--- a/setup.py
+++ b/setup.py
@@ -17,7 +17,7 @@
 # versioning
 MAJOR = 1
 MINOR = 2
-MICRO = 3
+MICRO = 4
 ISRELEASED = True
 VERSION = '%d.%d.%d' % (MAJOR, MINOR, MICRO)