diff --git a/images/01-kernel-stage1/Dockerfile b/images/01-kernel-stage1/Dockerfile
index d16d1cf3..84b35f9a 100644
--- a/images/01-kernel-stage1/Dockerfile
+++ b/images/01-kernel-stage1/Dockerfile
@@ -6,8 +6,8 @@ RUN apt-get update -y && \
     apt-get install -y kmod initramfs-tools curl rsync xz-utils
 
 ARG ARCH
-ENV KVERSION=4.15.0-65-generic
-ENV URL=https://github.com/rancher/k3os-kernel/releases/download/4.15.0-65.74-rancher1
+ENV KVERSION=4.15.0-66-generic
+ENV URL=https://github.com/rancher/k3os-kernel/releases/download/4.15.0-66.75-rancher1
 ENV KERNEL_XZ=${URL}/kernel-generic_${ARCH}.tar.xz
 ENV KERNEL_EXTRA_XZ=${URL}/kernel-extra-generic_${ARCH}.tar.xz
 ENV KERNEL_HEADERS_XZ=${URL}/kernel-headers-generic_${ARCH}.tar.xz
diff --git a/overlay/sbin/k3os-upgrade-kernel b/overlay/sbin/k3os-upgrade-kernel
old mode 100644
new mode 100755