diff --git a/airoha/Config.in b/airoha/Config.in
index 1d322580b8ae94c2176d9eb76c0c5bde079b43fe..a22f4705c9ab5414969610e6226e02f0f6eb7e83 100644
--- a/airoha/Config.in
+++ b/airoha/Config.in
@@ -3,7 +3,7 @@ if TARGET_airoha
 	config KERNEL_GIT_CLONE_URI
 		default "https://dev.iopsys.eu/airoha/linux.git"
 	config KERNEL_GIT_REF
-		default "b413f56b97595ed1db96ee33c976ede6a2c2a0ef" if TARGET_airoha_an7581
+		default "b2b4e4c6faa027f045e1ae13ffc8c0518e7196b5" if TARGET_airoha_an7581
 		default "97d2eb7b02e0c963ab66c11e2c9c70660694b680" if TARGET_airoha_en7523
 	config KERNEL_GIT_MIRROR_HASH
 		default "e76032cce99c247d73bae1b67bc7a1de58a8a3def4c6f2426f322ad062b608de"