diff --git a/CHANGES.rst b/CHANGES.rst
index 191ea736d..f90cb84c7 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,4 +1,4 @@
-0.4.2 (unreleased)
+0.4.2 (2018-02-21)
 ------------------
  - Bugfix and enhancement: handle multiple beams using radio_beam's
    multiple-beams feature.  This allows `convolve_to` to work when some beams
diff --git a/setup.py b/setup.py
index 4130f320f..09b7d3ae4 100755
--- a/setup.py
+++ b/setup.py
@@ -46,7 +46,7 @@
 builtins._ASTROPY_PACKAGE_NAME_ = PACKAGENAME
 
 # VERSION should be PEP386 compatible (http://www.python.org/dev/peps/pep-0386)
-VERSION = '0.4.2.dev'
+VERSION = '0.4.2'
 
 # Indicates if this version is a release version
 RELEASE = 'dev' not in VERSION