diff --git a/kernel/Dockerfile b/kernel/Dockerfile
index 8ec1c1a0c..582464f07 100644
--- a/kernel/Dockerfile
+++ b/kernel/Dockerfile
@@ -1,4 +1,4 @@
-FROM linuxkit/alpine:4768505d40f23e198011b6f2c796f985fe50ec39 AS kernel-build
+FROM linuxkit/alpine:518c2ed0f398c5508969ac5e033607201fb419ed AS kernel-build
 RUN apk add \
     argp-standalone \
     automake \
diff --git a/kernel/Dockerfile.bcc b/kernel/Dockerfile.bcc
index 60900674b..4d437d8f1 100644
--- a/kernel/Dockerfile.bcc
+++ b/kernel/Dockerfile.bcc
@@ -1,7 +1,7 @@
 ARG IMAGE
 FROM ${IMAGE} as ksrc
 
-FROM linuxkit/alpine:8a89682421abf0d886d777235a05f4a04a736df2 AS build
+FROM linuxkit/alpine:518c2ed0f398c5508969ac5e033607201fb419ed AS build
 RUN apk update && apk upgrade -a && \
   apk add --no-cache \
   argp-standalone \
@@ -103,7 +103,7 @@ RUN mkdir -p /out/usr/bin && \
 RUN mkdir -p /out/usr/local/share/ && \
     cp -a /usr/local/share/lua /out/usr/local/share/
 
-FROM linuxkit/alpine:8a89682421abf0d886d777235a05f4a04a736df2 as mirror
+FROM linuxkit/alpine:518c2ed0f398c5508969ac5e033607201fb419ed as mirror
 RUN mkdir -p /out/etc/apk && cp -r /etc/apk/* /out/etc/apk/
 RUN apk update && apk upgrade -a && \
   apk add --no-cache --initdb -p /out \
diff --git a/kernel/Dockerfile.kconfig b/kernel/Dockerfile.kconfig
index 74f99d8aa..375c9d03d 100644
--- a/kernel/Dockerfile.kconfig
+++ b/kernel/Dockerfile.kconfig
@@ -1,4 +1,4 @@
-FROM linuxkit/alpine:4768505d40f23e198011b6f2c796f985fe50ec39 AS kernel-build
+FROM linuxkit/alpine:518c2ed0f398c5508969ac5e033607201fb419ed AS kernel-build
 RUN apk add \
     argp-standalone \
     bison \
diff --git a/kernel/Dockerfile.zfs b/kernel/Dockerfile.zfs
index 5f43b0234..12a15e5c0 100644
--- a/kernel/Dockerfile.zfs
+++ b/kernel/Dockerfile.zfs
@@ -1,6 +1,6 @@
 ARG IMAGE
 FROM ${IMAGE} AS ksrc
-FROM linuxkit/alpine:4768505d40f23e198011b6f2c796f985fe50ec39 AS build
+FROM linuxkit/alpine:518c2ed0f398c5508969ac5e033607201fb419ed AS build
 RUN apk add \
     attr-dev \
     autoconf \