diff --git a/IPython/__init__.py b/IPython/__init__.py
index 54c21b2..c8ad53e 100755
--- a/IPython/__init__.py
+++ b/IPython/__init__.py
@@ -25,9 +25,8 @@ from IPython.core import release
 # Setup everything
 #-----------------------------------------------------------------------------
 
-
-if sys.version[0:3] < '2.4':
-    raise ImportError('Python Version 2.4 or above is required for IPython.')
+if sys.version[0:3] < '2.5':
+    raise ImportError('Python Version 2.5 or above is required for IPython.')
 
 
 # Make it easy to import extensions - they are always directly on pythonpath.