diff --git a/meta-yocto-bsp/recipes-kernel/linux/linux-yocto_4.9.bbappend b/meta-yocto-bsp/recipes-kernel/linux/linux-yocto_4.9.bbappend
index 6947ce7752..86904fc740 100644
--- a/meta-yocto-bsp/recipes-kernel/linux/linux-yocto_4.9.bbappend
+++ b/meta-yocto-bsp/recipes-kernel/linux/linux-yocto_4.9.bbappend
@@ -7,8 +7,8 @@ KBRANCH_edgerouter = "standard/edgerouter"
 KBRANCH_beaglebone = "standard/beaglebone"
 KBRANCH_mpc8315e-rdb = "standard/fsl-mpc8315e-rdb"
 
-SRCREV_machine_genericx86    ?= "e675c4ecccb9dd9dd637f104e32b7808b4d56846"
-SRCREV_machine_genericx86-64 ?= "e675c4ecccb9dd9dd637f104e32b7808b4d56846"
+SRCREV_machine_genericx86    ?= "81055b89bd32414ecaf95156ce9a5fa6643e530a"
+SRCREV_machine_genericx86-64 ?= "81055b89bd32414ecaf95156ce9a5fa6643e530a"
 SRCREV_machine_edgerouter ?= "e675c4ecccb9dd9dd637f104e32b7808b4d56846"
 SRCREV_machine_beaglebone ?= "e675c4ecccb9dd9dd637f104e32b7808b4d56846"
 SRCREV_machine_mpc8315e-rdb ?= "e56a2cce501fdd9aff6d420b015a36e98fc69f01"
@@ -19,8 +19,8 @@ COMPATIBLE_MACHINE_edgerouter = "edgerouter"
 COMPATIBLE_MACHINE_beaglebone = "beaglebone"
 COMPATIBLE_MACHINE_mpc8315e-rdb = "mpc8315e-rdb"
 
-LINUX_VERSION_genericx86 = "4.9.17"
-LINUX_VERSION_genericx86-64 = "4.9.17"
+LINUX_VERSION_genericx86 = "4.9.21"
+LINUX_VERSION_genericx86-64 = "4.9.21"
 LINUX_VERSION_edgerouter = "4.9.17"
 LINUX_VERSION_beaglebone = "4.9.17"
 LINUX_VERSION_mpc8315e-rdb = "4.9.17"