diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 6eeb106..c258f11 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -1794,6 +1794,13 @@ union bpf_attr {
 				};
 				__u64		expected_revision;
 			} netkit;
+			struct {
+				union {
+					__u32	relative_fd;
+					__u32	relative_id;
+				};
+				__u64		expected_revision;
+			} cgroup;
 		};
 	} link_create;