diff --git a/tools/containerd-dev/Dockerfile b/tools/containerd-dev/Dockerfile
index 6e1de319f..c7443df08 100644
--- a/tools/containerd-dev/Dockerfile
+++ b/tools/containerd-dev/Dockerfile
@@ -1,4 +1,4 @@
-FROM linuxkit/alpine:a720d2b1b83556653abd52d61faa0fe020c2b161 as builder
+FROM linuxkit/alpine:7aea0bb7faf70f35c6b7d2d244c91da1d4b3ea93 as builder
 
 
 # checkout and compile containerd
diff --git a/tools/go-compile/Dockerfile b/tools/go-compile/Dockerfile
index 9103c761e..59d2c83f3 100644
--- a/tools/go-compile/Dockerfile
+++ b/tools/go-compile/Dockerfile
@@ -1,4 +1,4 @@
-FROM linuxkit/alpine:a720d2b1b83556653abd52d61faa0fe020c2b161 AS mirror
+FROM linuxkit/alpine:7aea0bb7faf70f35c6b7d2d244c91da1d4b3ea93 AS mirror
 
 RUN mkdir -p /out/etc/apk && cp -r /etc/apk/* /out/etc/apk/
 RUN apk add --no-cache --initdb -p /out \
diff --git a/tools/mkimage-iso-bios/Dockerfile b/tools/mkimage-iso-bios/Dockerfile
index 3c56e2c0a..e4566a3ea 100644
--- a/tools/mkimage-iso-bios/Dockerfile
+++ b/tools/mkimage-iso-bios/Dockerfile
@@ -1,4 +1,4 @@
-FROM linuxkit/alpine:a720d2b1b83556653abd52d61faa0fe020c2b161 as mirror
+FROM linuxkit/alpine:7aea0bb7faf70f35c6b7d2d244c91da1d4b3ea93 as mirror
 RUN mkdir -p /out/etc/apk && cp -r /etc/apk/* /out/etc/apk/
 RUN apk add --no-cache --initdb -p /out \
     alpine-baselayout \
diff --git a/tools/mkimage-iso-efi-initrd/Dockerfile b/tools/mkimage-iso-efi-initrd/Dockerfile
index 80d578559..b0f010e6a 100644
--- a/tools/mkimage-iso-efi-initrd/Dockerfile
+++ b/tools/mkimage-iso-efi-initrd/Dockerfile
@@ -1,6 +1,6 @@
 FROM linuxkit/grub:292deb743d85eb79cbd5b163841db8ccd2500677 AS grub
 
-FROM linuxkit/alpine:a720d2b1b83556653abd52d61faa0fe020c2b161 AS mirror
+FROM linuxkit/alpine:7aea0bb7faf70f35c6b7d2d244c91da1d4b3ea93 AS mirror
 RUN mkdir -p /out/etc/apk && cp -r /etc/apk/* /out/etc/apk/
 RUN apk add --no-cache --initdb -p /out \
   alpine-baselayout \
diff --git a/tools/mkimage-iso-efi/Dockerfile b/tools/mkimage-iso-efi/Dockerfile
index 533ae050f..eb8674231 100644
--- a/tools/mkimage-iso-efi/Dockerfile
+++ b/tools/mkimage-iso-efi/Dockerfile
@@ -1,6 +1,6 @@
 FROM linuxkit/grub:292deb743d85eb79cbd5b163841db8ccd2500677 AS grub
 
-FROM linuxkit/alpine:a720d2b1b83556653abd52d61faa0fe020c2b161 AS mirror
+FROM linuxkit/alpine:7aea0bb7faf70f35c6b7d2d244c91da1d4b3ea93 AS mirror
 RUN mkdir -p /out/etc/apk && cp -r /etc/apk/* /out/etc/apk/
 RUN apk add --no-cache --initdb -p /out \
   alpine-baselayout \
diff --git a/tools/mkimage-iso/Dockerfile b/tools/mkimage-iso/Dockerfile
index 8083afad6..e4e642664 100644
--- a/tools/mkimage-iso/Dockerfile
+++ b/tools/mkimage-iso/Dockerfile
@@ -1,4 +1,4 @@
-FROM linuxkit/alpine:a720d2b1b83556653abd52d61faa0fe020c2b161 AS mirror
+FROM linuxkit/alpine:7aea0bb7faf70f35c6b7d2d244c91da1d4b3ea93 AS mirror
 RUN mkdir -p /out/etc/apk && cp -r /etc/apk/* /out/etc/apk/
 RUN apk add --no-cache --initdb -p /out \
     alpine-baselayout \
diff --git a/tools/mkimage-qcow2-efi/Dockerfile b/tools/mkimage-qcow2-efi/Dockerfile
index 6b309d717..af6045667 100644
--- a/tools/mkimage-qcow2-efi/Dockerfile
+++ b/tools/mkimage-qcow2-efi/Dockerfile
@@ -1,6 +1,6 @@
 FROM linuxkit/grub:292deb743d85eb79cbd5b163841db8ccd2500677 AS grub
 
-FROM linuxkit/alpine:a720d2b1b83556653abd52d61faa0fe020c2b161 AS mirror
+FROM linuxkit/alpine:7aea0bb7faf70f35c6b7d2d244c91da1d4b3ea93 AS mirror
 RUN mkdir -p /out/etc/apk && cp -r /etc/apk/* /out/etc/apk/
 RUN apk add --no-cache --initdb -p /out \
   alpine-baselayout \
diff --git a/tools/mkimage-raw-bios/Dockerfile b/tools/mkimage-raw-bios/Dockerfile
index 1aa91b9d5..c679dc070 100644
--- a/tools/mkimage-raw-bios/Dockerfile
+++ b/tools/mkimage-raw-bios/Dockerfile
@@ -1,4 +1,4 @@
-FROM linuxkit/alpine:a720d2b1b83556653abd52d61faa0fe020c2b161 AS mirror
+FROM linuxkit/alpine:7aea0bb7faf70f35c6b7d2d244c91da1d4b3ea93 AS mirror
 RUN mkdir -p /out/etc/apk && cp -r /etc/apk/* /out/etc/apk/
 RUN apk add --no-cache --initdb -p /out \
     alpine-baselayout \
diff --git a/tools/mkimage-raw-efi/Dockerfile b/tools/mkimage-raw-efi/Dockerfile
index 3d2dfcf16..931d1096f 100644
--- a/tools/mkimage-raw-efi/Dockerfile
+++ b/tools/mkimage-raw-efi/Dockerfile
@@ -1,6 +1,6 @@
 FROM linuxkit/grub:292deb743d85eb79cbd5b163841db8ccd2500677 AS grub
 
-FROM linuxkit/alpine:a720d2b1b83556653abd52d61faa0fe020c2b161 AS mirror
+FROM linuxkit/alpine:7aea0bb7faf70f35c6b7d2d244c91da1d4b3ea93 AS mirror
 RUN mkdir -p /out/etc/apk && cp -r /etc/apk/* /out/etc/apk/
 RUN apk add --no-cache --initdb -p /out \
   alpine-baselayout \
diff --git a/tools/mkimage-squashfs/Dockerfile b/tools/mkimage-squashfs/Dockerfile
index bfd82a800..3ee6de142 100644
--- a/tools/mkimage-squashfs/Dockerfile
+++ b/tools/mkimage-squashfs/Dockerfile
@@ -1,4 +1,4 @@
-FROM linuxkit/alpine:a720d2b1b83556653abd52d61faa0fe020c2b161 AS mirror
+FROM linuxkit/alpine:7aea0bb7faf70f35c6b7d2d244c91da1d4b3ea93 AS mirror
 RUN mkdir -p /out/etc/apk && cp -r /etc/apk/* /out/etc/apk/
 RUN apk add --no-cache --initdb -p /out \
   alpine-baselayout \