diff --git a/Documentation/netlink/specs/gtp.yaml b/Documentation/netlink/specs/gtp.yaml
index 7871f5def054..b65e18ae5df2 100644
--- a/Documentation/netlink/specs/gtp.yaml
+++ b/Documentation/netlink/specs/gtp.yaml
@@ -194,3 +194,4 @@ mcast-groups:
   list:
     -
       name: gtp
+      flags: [uns-admin-perm]
diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c
index 86c8c88b702c..1dd32e979cf5 100644
--- a/drivers/net/gtp.c
+++ b/drivers/net/gtp.c
@@ -118,7 +118,8 @@ enum gtp_multicast_groups {
 };
 
 static const struct genl_multicast_group gtp_genl_mcgrps[] = {
-	[GTP_GENL_MCGRP] = { .name = GTP_GENL_MCGRP_NAME },
+	[GTP_GENL_MCGRP] = { .name = GTP_GENL_MCGRP_NAME,
+			     .flags = GENL_MCAST_CAP_NET_ADMIN, },
 };
 
 static void pdp_context_delete(struct pdp_ctx *pctx);