diff --git a/ChangeLog b/ChangeLog.old
similarity index 99%
rename from ChangeLog
rename to ChangeLog.old
index 9db05dbc..dc72dbef 100644
--- a/ChangeLog
+++ b/ChangeLog.old
@@ -1,3 +1,9 @@
+************************************************************************
+* We no longer update this file. Revision log can be obtained with the *
+* following command:                                                   *
+*     git log --pretty=fuller --date=short                             *
+************************************************************************
+
 2010-11-26  Tatsuhiro Tsujikawa  <t-tujikawa@users.sourceforge.net>
 
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