diff --git a/project-info/plan_indigo.xml b/project-info/plan_indigo.xml
index c2705b9..ad33975 100644
--- a/project-info/plan_indigo.xml
+++ b/project-info/plan_indigo.xml
@@ -78,7 +78,7 @@
 <milestone date="Monday 27 September 2010" milestone="3.1.0M2"></milestone>
 <milestone date="Monday 8 November 2010" milestone="3.1.0M3"></milestone>
 <milestone date="Monday 13 December 2010" milestone="3.1.0M4"></milestone>
-<milestone date="Monday 7 February 2011" milestone="3.1.0M5"></milestone>
+<milestone date="Monday 31 January 2011" milestone="3.1.0M5"></milestone>
 <milestone date="Monday 14 March 2011" milestone="3.1.0M6"><html:div>API freeze</html:div></milestone>
 <milestone date="Monday 2 May 2011" milestone="3.1.0M7"><html:div>Feature Freeze</html:div></milestone>
 <milestone date="Monday 16 May 2011" milestone="3.1.0RC1"></milestone>