Updated CHANGELOG for Giraph-1.0 release.
diff --git a/CHANGELOG b/CHANGELOG
index 05245de..7d0f744 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,9 @@
 Giraph Change Log
 
-Release 0.2.0 - unreleased
+Release 1.1 - unreleased
+
+Release 1.0 - 2013-04-12
+
   GIRAPH-595: InternalVertexRunner.run() should take GiraphConfiguration, not GiraphClasses
   (nitay via apresta)