diff --git a/kernel/Dockerfile b/kernel/Dockerfile
index 988eaf450..7d3edf0b2 100644
--- a/kernel/Dockerfile
+++ b/kernel/Dockerfile
@@ -1,4 +1,4 @@
-FROM linuxkit/alpine:07f7d136e427dc68154cd5edbb2b9576f9ac5213 AS kernel-build
+FROM linuxkit/alpine:585174df463ba33e6c0e2050a29a0d9e942d56cb AS kernel-build
 RUN apk add \
     argp-standalone \
     automake \
@@ -18,6 +18,8 @@ RUN apk add \
     libelf-dev \
     libressl-dev \
     linux-headers \
+    mpc1-dev \
+    mpfr-dev \
     ncurses-dev \
     sed \
     squashfs-tools \
diff --git a/kernel/Dockerfile.kconfig b/kernel/Dockerfile.kconfig
index 182bbe092..2abd5d84f 100644
--- a/kernel/Dockerfile.kconfig
+++ b/kernel/Dockerfile.kconfig
@@ -1,4 +1,4 @@
-FROM linuxkit/alpine:07f7d136e427dc68154cd5edbb2b9576f9ac5213 AS kernel-build
+FROM linuxkit/alpine:585174df463ba33e6c0e2050a29a0d9e942d56cb AS kernel-build
 RUN apk add \
     argp-standalone \
     build-base \
diff --git a/kernel/Dockerfile.zfs b/kernel/Dockerfile.zfs
index 1f392ec30..cce8896cc 100644
--- a/kernel/Dockerfile.zfs
+++ b/kernel/Dockerfile.zfs
@@ -1,6 +1,6 @@
 ARG IMAGE
 FROM ${IMAGE} AS ksrc
-FROM linuxkit/alpine:07f7d136e427dc68154cd5edbb2b9576f9ac5213 AS build
+FROM linuxkit/alpine:585174df463ba33e6c0e2050a29a0d9e942d56cb AS build
 RUN apk add \
     attr-dev \
     autoconf \
@@ -10,6 +10,8 @@ RUN apk add \
     git \
     libtirpc-dev \
     libtool \
+    mpc1-dev \
+    mpfr-dev \
     util-linux-dev \
     zlib-dev