diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index b67a60d6150c..308c93c352ab 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -7041,6 +7041,12 @@ static int cpu_cgroup_css_online(struct cgroup_subsys_state *css)
 
 	if (parent)
 		sched_online_group(tg, parent);
+
+#ifdef CONFIG_UCLAMP_TASK_GROUP
+	/* Propagate the effective uclamp value for the new group */
+	cpu_util_update_eff(css);
+#endif
+
 	return 0;
 }