diff --git a/ChangeLog.txt b/ChangeLog.txt
index c6fa2432..aca6f288 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -4,6 +4,11 @@ Tim Skillman, Patrick Gaunt, Tom Ritchford
 
 Date        Amends
 
+v2.42
+2021-02-09  Bug fix: bump shaders work with orthographic cameras, integer
+            division in find devices corrected to //. Alpha value for discarding
+            fragments reduced to 1 part in 255 to avoid 'edges'
+
 v2.41
 2020-12-04  Bug fix: PointText now copes with multi-line strings and
             can insert new lines at a given width
diff --git a/pi3d/constants/__init__.py b/pi3d/constants/__init__.py
index 7317d958..1081c149 100644
--- a/pi3d/constants/__init__.py
+++ b/pi3d/constants/__init__.py
@@ -6,7 +6,7 @@
 import time
 import logging
 
-__version__ = '2.41'
+__version__ = '2.42'
 year = time.localtime().tm_year
 
 STARTUP_MESSAGE = """