diff --git a/mercurygui/__init__.py b/mercurygui/__init__.py
index 697bd42..1e2026a 100644
--- a/mercurygui/__init__.py
+++ b/mercurygui/__init__.py
@@ -1,4 +1,4 @@
 import mercurygui.config
 
-__version__ = "3.0.0.dev0"
+__version__ = "3.0.0"
 __author__ = "Sam Schott"
diff --git a/setup.py b/setup.py
index 4b1cbdc..47cf8e5 100755
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 
 setup(
     name="mercurygui",
-    version="3.0.0.dev0",
+    version="3.0.0",
     description="A GUI to control the Oxford instruments Mercury iTC",
     author="Sam Schott",
     author_email="ss2151@cam.ac.uk",