diff --git a/.hgtags b/.hgtags
index 636a63bf31..adf1129226 100644
--- a/.hgtags
+++ b/.hgtags
@@ -1,3 +1,4 @@
 951bb3311b916cb893adc5294cfb3216d2940169 1.0.0
 9f5ce178a7c403a0865fd4b6c1a82a911df0e998 1.2.0
 e2d31d59de7745de70199b7c340d78b7c4775723 1.4.0
+64691214959ac19983f3b3d1dbb89ff693d1545c 1.6.0