diff --git a/package.json b/package.json
index 84c631ea1cbf67b45688c7016afdb11bbc5e1aeb..43d11915fe734fa919e7bb54253ef8559791d5f9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "geomag-algorithms",
-  "version": "0.4.2",
+  "version": "0.5.0",
   "homepage": "http://geomag.usgs.gov/",
   "repository": "https://github.com/usgs/geomag-algorithms.git",
   "description": "Geomagnetism algorithms.",
diff --git a/setup.py b/setup.py
index fac703c5b8036c3d88b8eeba84b0e42de527c581..2f13210901c0b38807ff6a1ecaab8e3ad1cd521e 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@ from distutils.core import setup
 
 setup(
     name='geomag-algorithms',
-    version='0.4.2',
+    version='0.5.0',
     description='USGS Geomag IO Library',
     url='https://github.com/usgs/geomag-algorithms',
     packages=[