diff --git a/kernel/Dockerfile b/kernel/Dockerfile
index 54fec1d2b..449c2da67 100644
--- a/kernel/Dockerfile
+++ b/kernel/Dockerfile
@@ -1,4 +1,4 @@
-FROM linuxkit/alpine:02d7e748614512ea099e8c76254e41bcea03ba8f AS kernel-build
+FROM linuxkit/alpine:90571a1a9059f3bf33ca3431bc5396aa837a47d3 AS kernel-build
 RUN apk add \
     argp-standalone \
     automake \
diff --git a/kernel/Dockerfile.kconfig b/kernel/Dockerfile.kconfig
index 9c9331862..9f77039cf 100644
--- a/kernel/Dockerfile.kconfig
+++ b/kernel/Dockerfile.kconfig
@@ -1,4 +1,4 @@
-FROM linuxkit/alpine:02d7e748614512ea099e8c76254e41bcea03ba8f AS kernel-build
+FROM linuxkit/alpine:90571a1a9059f3bf33ca3431bc5396aa837a47d3 AS kernel-build
 RUN apk add \
     argp-standalone \
     bison \
diff --git a/kernel/Dockerfile.zfs b/kernel/Dockerfile.zfs
index 5d100a9f6..6b25d74e1 100644
--- a/kernel/Dockerfile.zfs
+++ b/kernel/Dockerfile.zfs
@@ -1,6 +1,6 @@
 ARG IMAGE
 FROM ${IMAGE} AS ksrc
-FROM linuxkit/alpine:02d7e748614512ea099e8c76254e41bcea03ba8f AS build
+FROM linuxkit/alpine:90571a1a9059f3bf33ca3431bc5396aa837a47d3 AS build
 RUN apk add \
     attr-dev \
     autoconf \