diff --git a/src/sage/version.py b/src/sage/version.py
index 7ef58e28ad2..6e409748004 100644
--- a/src/sage/version.py
+++ b/src/sage/version.py
@@ -1,2 +1,2 @@
 """nodoctests"""
-version='4.5.3.alpha2'; date='2010-08-23'
+version='4.5.3.rc0'; date='2010-08-30'