diff --git a/.hgtags b/.hgtags
index 58d7656..346ac47 100644
--- a/.hgtags
+++ b/.hgtags
@@ -6,3 +6,4 @@ e6c4ce20db4bf65086ff55807a3c306cad7ca393 1.3
 eaf8b1cb7c312883598677231be5bbeea3b5c127 1.3
 a423748bf17ee778a37853225210257699cad9c1 1.4
 cd44a941c833c098e4899fe3d42a96703754d0d5 1.5
+4815040bdad8f182a5487f57a9da385483836e75 1.6