diff --git a/.hgtags b/.hgtags
index fe1979741..75df95ba2 100644
--- a/.hgtags
+++ b/.hgtags
@@ -63,3 +63,4 @@ fc033946b1a9c1259c3ac4f99509e0ba004bcb47 SUDO_1_9_14p1
 d23f72517e07a004309aa35b548211497351d28b SUDO_1_9_15p1
 4d03c1608a23bf39da05c223a39b6b05ea9624a9 SUDO_1_9_15p2
 20d368229c6a42858624211edcc762214125dc48 SUDO_1_9_15p3
+cc9d22d261de1849e63985a0ba09f6b86bffe51f SUDO_1_9_15p4