diff --git a/configs/openblocks_a6_defconfig b/configs/openblocks_a6_defconfig
index 98017ad1e..582fa300d 100644
--- a/configs/openblocks_a6_defconfig
+++ b/configs/openblocks_a6_defconfig
@@ -11,10 +11,15 @@ BR2_TARGET_GENERIC_GETTY_PORT="ttyS0"
 BR2_TARGET_ROOTFS_JFFS2=y
 BR2_TARGET_ROOTFS_JFFS2_NANDFLASH_2K_128K=y
 
+# Lock to 3.14 headers to avoid breaking with newer kernels
+BR2_KERNEL_HEADERS_VERSION=y
+BR2_DEFAULT_KERNEL_VERSION="3.14.3"
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_3_14=y
+
 # kernel
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
-BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="3.9.1"
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="3.14.3"
 BR2_LINUX_KERNEL_DEFCONFIG="kirkwood"
 BR2_LINUX_KERNEL_APPENDED_UIMAGE=y
 BR2_LINUX_KERNEL_INTREE_DTS_NAME="kirkwood-openblocks_a6"