diff --git a/configs/pc_x86_64_bios_defconfig b/configs/pc_x86_64_bios_defconfig
index 65b0016031..b8515d12b6 100644
--- a/configs/pc_x86_64_bios_defconfig
+++ b/configs/pc_x86_64_bios_defconfig
@@ -21,15 +21,15 @@ BR2_TARGET_ROOTFS_EXT2_BLOCKS=120000
 # BR2_TARGET_ROOTFS_TAR is not set
 BR2_ROOTFS_POST_IMAGE_SCRIPT="board/pc/post-image.sh"
 
-# Linux headers same as kernel, a 4.9 series
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_9=y
+# Linux headers same as kernel, a 4.11 series
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_11=y
 
 # Kernel
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
-BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.9.6"
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.11.5"
 BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
-BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/qemu/x86_64/linux-4.9.config"
+BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/qemu/x86_64/linux-4.11.config"
 BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="board/pc/linux-extras.config"
 BR2_LINUX_KERNEL_INSTALL_TARGET=y
 
diff --git a/configs/pc_x86_64_efi_defconfig b/configs/pc_x86_64_efi_defconfig
index 57b3ec2fec..212d72f7f4 100644
--- a/configs/pc_x86_64_efi_defconfig
+++ b/configs/pc_x86_64_efi_defconfig
@@ -24,15 +24,15 @@ BR2_TARGET_ROOTFS_EXT2_BLOCKS=120000
 # BR2_TARGET_ROOTFS_TAR is not set
 BR2_ROOTFS_POST_IMAGE_SCRIPT="board/pc/post-image.sh"
 
-# Linux headers same as kernel, a 4.9 series
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_9=y
+# Linux headers same as kernel, a 4.11 series
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_11=y
 
 # Kernel
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
-BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.9.6"
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.11.5"
 BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
-BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/qemu/x86_64/linux-4.9.config"
+BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/qemu/x86_64/linux-4.11.5.config"
 BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="board/pc/linux-extras.config"
 BR2_LINUX_KERNEL_INSTALL_TARGET=y