diff --git a/doc/gnofract4d-manual/C/gnofract4d-manual.xml b/doc/gnofract4d-manual/C/gnofract4d-manual.xml
index fc8cdf959..1cb2f495c 100644
--- a/doc/gnofract4d-manual/C/gnofract4d-manual.xml
+++ b/doc/gnofract4d-manual/C/gnofract4d-manual.xml
@@ -10,7 +10,7 @@
 <!ENTITY gf4d "<application>Gnofract 4D</application>">
 <!ENTITY fractint "<application>Fractint</application>">
 <!ENTITY ultrafractal "<application>UltraFractal</application>">
-<!ENTITY version "4.1">
+<!ENTITY version "4.2">
 
 ]>
 <article id="gnofract4d">
diff --git a/fract4d/options.py b/fract4d/options.py
index 2b725ecc7..a4ab0b70c 100644
--- a/fract4d/options.py
+++ b/fract4d/options.py
@@ -5,7 +5,7 @@
 from . import fractal
 
 # version of Gnofract 4D
-VERSION = '4.1'
+VERSION = '4.2'
 
 POSITION_ARGUMENTS = ("xcenter", "ycenter", "zcenter", "wcenter",
                       "xyangle", "xzangle", "xwangle", "yzangle", "ywangle", "zwangle",
diff --git a/setup.py b/setup.py
index bc6c9115c..954500152 100755
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@
 import subprocess
 import sys
 
-gnofract4d_version = '4.1'
+gnofract4d_version = '4.2'
 
 if sys.version_info < (3, 5):
     print("Sorry, you need Python 3.5 or higher to run Gnofract 4D.")
diff --git a/website/content/_index.md b/website/content/_index.md
index e49e35f36..03fc2b38f 100644
--- a/website/content/_index.md
+++ b/website/content/_index.md
@@ -2,7 +2,7 @@
 title: "Front Page"
 date: 2020-04-12T08:55:54-07:00
 draft: false
-latest: "4.1"
+latest: "4.2"
 ---