diff --git a/.hgtags b/.hgtags
index e69df24..37d9457 100644
--- a/.hgtags
+++ b/.hgtags
@@ -5,3 +5,4 @@ d8b64d5527c2a5e4d76872e5bc3d69f7646135c6 libnmdc-r3
 fca41372e400853775b02e951f9db91d87f41adb nmdc-log-service-1.0.1
 050b424a7c5d5a27c9323c8810f3afbead1f5b96 libnmdc-r4
 da9f123633f9c28be6435ed7898139665d4c39d9 nmdc-log-service-1.0.2
+75a78f6a78f249a2cd8aa3d29f7e5e6319b4e03b libnmdc-r5