diff --git a/.hgtags b/.hgtags
index 3bbff85..ae6c518 100644
--- a/.hgtags
+++ b/.hgtags
@@ -1,2 +1,3 @@
 945ab4b16d05aa084f71bf5da9a3f687e0ec8bbd libnmdc-r1
 02a360e95480b97ddad83add5db48b2766339a99 nmdc-log-service-1.0.0
+137c1b65039e03c80379826a6efdfd808f6fbc8f libnmdc-r2