diff --git a/kernel/Dockerfile b/kernel/Dockerfile
index 356f5f315..cd088f2bf 100644
--- a/kernel/Dockerfile
+++ b/kernel/Dockerfile
@@ -1,4 +1,4 @@
-FROM linuxkit/alpine:cba395fbc278daee841106801aba1e1bd7e0f2f7 AS kernel-build
+FROM linuxkit/alpine:8ad3a04b70f1e93e6159143e3792e379a9b0519d AS kernel-build
 RUN apk add \
     argp-standalone \
     automake \
diff --git a/kernel/Dockerfile.kconfig b/kernel/Dockerfile.kconfig
index 8ae4023a0..ce7cdf94b 100644
--- a/kernel/Dockerfile.kconfig
+++ b/kernel/Dockerfile.kconfig
@@ -1,4 +1,4 @@
-FROM linuxkit/alpine:d307c8a386fa3f32cddda9409b9687e191cdd6f1 AS kernel-build
+FROM linuxkit/alpine:8ad3a04b70f1e93e6159143e3792e379a9b0519d AS kernel-build
 RUN apk add \
     argp-standalone \
     build-base \
diff --git a/kernel/Dockerfile.zfs b/kernel/Dockerfile.zfs
index c7bda3391..7079a3d3f 100644
--- a/kernel/Dockerfile.zfs
+++ b/kernel/Dockerfile.zfs
@@ -1,6 +1,6 @@
 ARG IMAGE
 FROM ${IMAGE} AS ksrc
-FROM linuxkit/alpine:d307c8a386fa3f32cddda9409b9687e191cdd6f1 AS build
+FROM linuxkit/alpine:8ad3a04b70f1e93e6159143e3792e379a9b0519d AS build
 RUN apk add \
     attr-dev \
     autoconf \