diff --git a/.hgtags b/.hgtags
index 612a061c..19ad2d15 100644
--- a/.hgtags
+++ b/.hgtags
@@ -6,3 +6,4 @@ a8f232f880b6f9ada565d472996a627ebf69b6e9 before-tiger-drop
 adc73ccd14b1386cb04dee773c53a2d126800e31 se2.9.0
 cbcf9c80fee4c908ef2efbf1c143c9e47676c9b2 pe1.8.0
 61c4101851bdea3cb37dfb76f0d404c78c7c594c se2.9.1
+0e923897a3389331d4ab3debbc40b8dd616199d9 pe1.8.1