diff --git a/docker/Dockerfile.linux.386 b/docker/Dockerfile.linux.386
index aafdc4a..26782eb 100644
--- a/docker/Dockerfile.linux.386
+++ b/docker/Dockerfile.linux.386
@@ -1,4 +1,4 @@
-FROM i386/alpine:3.18@sha256:1fd62556954250bac80d601a196bb7fd480ceba7c10e94dd8fd4c6d1c08783d5 AS build
+FROM i386/alpine:3.18@sha256:664888ac9cfd28068e062c991ebcff4b4c7307dc8dd4df9e728bedde5c449d91 AS build
 RUN apk add --no-cache ca-certificates mailcap
 
 FROM scratch
diff --git a/docker/Dockerfile.linux.amd64 b/docker/Dockerfile.linux.amd64
index 3f08276..2011d7a 100644
--- a/docker/Dockerfile.linux.amd64
+++ b/docker/Dockerfile.linux.amd64
@@ -1,4 +1,4 @@
-FROM amd64/alpine:3.18@sha256:c5c5fda71656f28e49ac9c5416b3643eaa6a108a8093151d6d1afc9463be8e33 AS build
+FROM amd64/alpine:3.18@sha256:48d9183eb12a05c99bcc0bf44a003607b8e941e1d4f41f9ad12bdcc4b5672f86 AS build
 RUN apk add --no-cache ca-certificates mailcap
 
 FROM scratch
diff --git a/docker/Dockerfile.linux.arm b/docker/Dockerfile.linux.arm
index 2bbc953..1b6ccaf 100644
--- a/docker/Dockerfile.linux.arm
+++ b/docker/Dockerfile.linux.arm
@@ -1,4 +1,4 @@
-FROM arm32v6/alpine:3.18@sha256:f748290eb66ad6f938e25dd348acfb3527a422e280b7547b1cdfaf38d4492c4b AS build
+FROM arm32v6/alpine:3.18@sha256:777e2106170c66742ddbe77f703badb7dc94d9a5b1dc2c4a01538fad9aef56bb AS build
 RUN apk add --no-cache ca-certificates mailcap
 
 FROM scratch
diff --git a/docker/Dockerfile.linux.arm64 b/docker/Dockerfile.linux.arm64
index 5273b40..9e2f383 100644
--- a/docker/Dockerfile.linux.arm64
+++ b/docker/Dockerfile.linux.arm64
@@ -1,4 +1,4 @@
-FROM arm64v8/alpine:3.18@sha256:b312e4b0e2c665d634602411fcb7c2699ba748c36f59324457bc17de485f36f6 AS build
+FROM arm64v8/alpine:3.18@sha256:6ce9a9a256a3495ae60ab0059ed1c7aee5ee89450477f2223f6ea7f6296df555 AS build
 RUN apk add --no-cache ca-certificates mailcap
 
 FROM scratch