diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 3823100..4b20a72 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -6985,6 +6985,10 @@ struct bpf_rb_node {
 	__u64 :64;
 } __attribute__((aligned(8)));
 
+struct bpf_refcount {
+	__u32 :32;
+} __attribute__((aligned(4)));
+
 struct bpf_sysctl {
 	__u32	write;		/* Sysctl is being read (= 0) or written (= 1).
 				 * Allows 1,2,4-byte read, but no write.