diff --git a/tools/go-compile/Dockerfile b/tools/go-compile/Dockerfile
index d187d73d7..983b5a541 100644
--- a/tools/go-compile/Dockerfile
+++ b/tools/go-compile/Dockerfile
@@ -1,4 +1,4 @@
-FROM linuxkit/alpine:1b05307ae8152e3d38f79e297b0632697a30c65c AS mirror
+FROM linuxkit/alpine:6264e5b39af8eb1da7ffa4c05a7ccc597da01197 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 801c89b86..5e4d92967 100644
--- a/tools/mkimage-iso-bios/Dockerfile
+++ b/tools/mkimage-iso-bios/Dockerfile
@@ -1,4 +1,4 @@
-FROM linuxkit/alpine:1b05307ae8152e3d38f79e297b0632697a30c65c
+FROM linuxkit/alpine:6264e5b39af8eb1da7ffa4c05a7ccc597da01197
 
 RUN \
   apk update && apk upgrade && \
diff --git a/tools/mkimage-iso-efi/Dockerfile b/tools/mkimage-iso-efi/Dockerfile
index 16b9c5666..dd392aeee 100644
--- a/tools/mkimage-iso-efi/Dockerfile
+++ b/tools/mkimage-iso-efi/Dockerfile
@@ -1,4 +1,4 @@
-FROM linuxkit/alpine:1b05307ae8152e3d38f79e297b0632697a30c65c AS grub-build
+FROM linuxkit/alpine:6264e5b39af8eb1da7ffa4c05a7ccc597da01197 AS grub-build
 
 RUN apk add \
   automake \
@@ -39,7 +39,7 @@ RUN mkdir /grub-lib && \
     ;; \
   esac
 
-FROM linuxkit/alpine:1b05307ae8152e3d38f79e297b0632697a30c65c AS make-img
+FROM linuxkit/alpine:6264e5b39af8eb1da7ffa4c05a7ccc597da01197 AS make-img
 
 RUN \
   apk update && apk upgrade && \
diff --git a/tools/mkimage-qcow2-efi/Dockerfile b/tools/mkimage-qcow2-efi/Dockerfile
index 2268dbcc3..fcecc243d 100644
--- a/tools/mkimage-qcow2-efi/Dockerfile
+++ b/tools/mkimage-qcow2-efi/Dockerfile
@@ -1,4 +1,4 @@
-FROM linuxkit/alpine:1b05307ae8152e3d38f79e297b0632697a30c65c AS grub-build
+FROM linuxkit/alpine:6264e5b39af8eb1da7ffa4c05a7ccc597da01197 AS grub-build
 
 RUN apk add \
   automake \
@@ -40,7 +40,7 @@ RUN mkdir /grub-lib && \
     ;; \
   esac
 
-FROM linuxkit/alpine:1b05307ae8152e3d38f79e297b0632697a30c65c AS make-img
+FROM linuxkit/alpine:6264e5b39af8eb1da7ffa4c05a7ccc597da01197 AS make-img
 
 RUN \
   apk update && apk upgrade && \
diff --git a/tools/mkimage-raw-bios/Dockerfile b/tools/mkimage-raw-bios/Dockerfile
index 408ca5735..11c28ef95 100644
--- a/tools/mkimage-raw-bios/Dockerfile
+++ b/tools/mkimage-raw-bios/Dockerfile
@@ -1,4 +1,4 @@
-FROM linuxkit/alpine:1b05307ae8152e3d38f79e297b0632697a30c65c
+FROM linuxkit/alpine:6264e5b39af8eb1da7ffa4c05a7ccc597da01197
 
 RUN \
   apk update && apk upgrade && \
diff --git a/tools/mkimage-raw-efi/Dockerfile b/tools/mkimage-raw-efi/Dockerfile
index d0c6150a4..166c50d00 100644
--- a/tools/mkimage-raw-efi/Dockerfile
+++ b/tools/mkimage-raw-efi/Dockerfile
@@ -1,4 +1,4 @@
-FROM linuxkit/alpine:1b05307ae8152e3d38f79e297b0632697a30c65c AS grub-build
+FROM linuxkit/alpine:6264e5b39af8eb1da7ffa4c05a7ccc597da01197 AS grub-build
 
 RUN apk add \
   automake \
@@ -40,7 +40,7 @@ RUN mkdir /grub-lib && \
     ;; \
   esac
 
-FROM linuxkit/alpine:1b05307ae8152e3d38f79e297b0632697a30c65c AS make-img
+FROM linuxkit/alpine:6264e5b39af8eb1da7ffa4c05a7ccc597da01197 AS make-img
 
 RUN \
   apk update && apk upgrade && \
diff --git a/tools/mkimage-rpi3/Dockerfile b/tools/mkimage-rpi3/Dockerfile
index 7bf38df15..d421d51d1 100644
--- a/tools/mkimage-rpi3/Dockerfile
+++ b/tools/mkimage-rpi3/Dockerfile
@@ -1,4 +1,4 @@
-FROM linuxkit/alpine:1b05307ae8152e3d38f79e297b0632697a30c65c as build
+FROM linuxkit/alpine:6264e5b39af8eb1da7ffa4c05a7ccc597da01197 as build
 RUN apk add \
     bc \
     dtc \
diff --git a/tools/mkimage-squashfs/Dockerfile b/tools/mkimage-squashfs/Dockerfile
index a6e9f181c..1f5912bbe 100644
--- a/tools/mkimage-squashfs/Dockerfile
+++ b/tools/mkimage-squashfs/Dockerfile
@@ -1,4 +1,4 @@
-FROM linuxkit/alpine:1b05307ae8152e3d38f79e297b0632697a30c65c
+FROM linuxkit/alpine:6264e5b39af8eb1da7ffa4c05a7ccc597da01197
 
 RUN \
   apk update && apk upgrade && \
diff --git a/tools/qemu/Dockerfile b/tools/qemu/Dockerfile
index 9e0b474c7..87c1dad16 100644
--- a/tools/qemu/Dockerfile
+++ b/tools/qemu/Dockerfile
@@ -1,4 +1,4 @@
-FROM linuxkit/alpine:1b05307ae8152e3d38f79e297b0632697a30c65c AS mirror
+FROM linuxkit/alpine:6264e5b39af8eb1da7ffa4c05a7ccc597da01197 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 \