diff --git a/mysqlshdk/libs/mysql/group_replication.cc b/mysqlshdk/libs/mysql/group_replication.cc
index 436a62b15..8f8958ce7 100644
--- a/mysqlshdk/libs/mysql/group_replication.cc
+++ b/mysqlshdk/libs/mysql/group_replication.cc
@@ -107,6 +107,8 @@ std::string to_string(const Member_role role) {
       return "PRIMARY";
     case Member_role::SECONDARY:
       return "SECONDARY";
+    case Member_role::ARBITRATOR:
+      return "ARBITRATOR";
     case Member_role::NONE:
       return "NONE";
   }
@@ -118,6 +120,8 @@ Member_role to_member_role(const std::string &role) {
     return Member_role::PRIMARY;
   } else if (shcore::str_caseeq("SECONDARY", role)) {
     return Member_role::SECONDARY;
+  } else if (shcore::str_caseeq("ARBITRATOR", role)) {
+    return Member_role::ARBITRATOR;
   } else if (role.empty()) {
     return Member_role::NONE;
   } else {
diff --git a/mysqlshdk/libs/mysql/group_replication.h b/mysqlshdk/libs/mysql/group_replication.h
index 05dfa54bf..23ccf6a76 100644
--- a/mysqlshdk/libs/mysql/group_replication.h
+++ b/mysqlshdk/libs/mysql/group_replication.h
@@ -73,7 +73,7 @@ enum class Member_state {
   MISSING
 };
 
-enum class Member_role { PRIMARY, SECONDARY, NONE };
+enum class Member_role { PRIMARY, SECONDARY, ARBITRATOR, NONE };
 
 enum class Topology_mode { SINGLE_PRIMARY, MULTI_PRIMARY, NONE };