diff --git a/.hgtags b/.hgtags
index 112ac969cbc..1f9f2dd2c11 100644
--- a/.hgtags
+++ b/.hgtags
@@ -112,3 +112,4 @@ a0a6d9909312ad9c1d844af66e9c91931b93852a v2.5.4
 657f16582943739b906f66f7efad4014492c8b1c v2.5.5c1
 1dc91e9dd5c13a4bc2d3bb7d4b5896ab264f2325 v2.5.5c2
 7098a46f0b75e5aacfaf81d65d72e3613b023532 v2.5.5
+a87c7b96672b69dffef64c59b56fba5bb2059b99 v2.5.6c1