diff --git a/.hgtags b/.hgtags
index 922f57841c..4754f18655 100644
--- a/.hgtags
+++ b/.hgtags
@@ -73,3 +73,4 @@ e6f416a808ebe94ed625e25410b0f83abe3283d4 BETA_BASE_20180507
 1f00110035a07df9aa9246ab56941c5edb03b93a BETA_BASE_20180625
 88de6bc9d1116a00ffe6907e8f84ee09fdd93ae5 BETA_BASE_20180904
 5a8c03dfb2ac10a53f0c16ff87e39c8787ef0cb4 BETA_BASE_20181022
+0b7555f983a525273e921e3b1553f366f58ddb84 BETA_BASE_20181210