diff --git a/gprMax/_version.py b/gprMax/_version.py
index 6e8fbde2..224b689a 100644
--- a/gprMax/_version.py
+++ b/gprMax/_version.py
@@ -1,4 +1,4 @@
 # This is where the version number is set and read by setup.py and conf.py (for the docs)
 
-__version__ = '3.0.3'
+__version__ = '3.0.4'