diff --git a/CVSROOT/cvsignore b/CVSROOT/cvsignore
index 1022bccdb40..68e962ca03b 100644
--- a/CVSROOT/cvsignore
+++ b/CVSROOT/cvsignore
@@ -30,3 +30,5 @@ depend.mk
 _xpidlgen
 ti_files
 *.rpo
+.*.timestamp
+