diff --git a/docs/conf.py b/docs/conf.py
index cf99ec9..d7a6857 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -22,13 +22,13 @@
 author = 'Jaroslav Fowkes'
 
 # The full version, including alpha/beta/rc tags
-release = '0.3'
+release = '0.4'
 # The short X.Y version
 version = release
 
 # There are two options for replacing |today|: either, you set today to some
 # non-false value, then it is used:
-today = '13 July 2022'
+today = '15 September 2023'
 # Else, today_fmt is used as the format for a strftime call.
 #today_fmt = '%d %B %Y'
 
diff --git a/setup.py b/setup.py
index 5cefff6..6cabb2c 100644
--- a/setup.py
+++ b/setup.py
@@ -119,7 +119,7 @@ def build_extension(self, ext):
 # logic and declaration, and simpler if you include description/version in a file.
 setup(
     name="gofit",
-    version="0.3",
+    version="0.4",
     description="GOFit: Global Optimization for Fitting problems",
     long_description=open('README.md').read(),
     long_description_content_type="text/markdown",