diff --git a/docker/Dockerfile.linux.386 b/docker/Dockerfile.linux.386
index 349b2ab..98d8d3c 100644
--- a/docker/Dockerfile.linux.386
+++ b/docker/Dockerfile.linux.386
@@ -1,4 +1,4 @@
-FROM i386/alpine:3.20@sha256:b3e87f642f5c48cdc7556c3e03a0d63916bd0055ba6edba7773df3cb1a76f224 AS build
+FROM i386/alpine:3.20@sha256:ee8f671d10ed605c1ea81df90f411e136c9b104a8e07520638b8cab46fce2311 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 4b021f0..fe31650 100644
--- a/docker/Dockerfile.linux.amd64
+++ b/docker/Dockerfile.linux.amd64
@@ -1,4 +1,4 @@
-FROM amd64/alpine:3.20@sha256:33735bd63cf84d7e388d9f6d297d348c523c044410f553bd878c6d7829612735 AS build
+FROM amd64/alpine:3.20@sha256:b53b9310c8cfdecd161bbe589b167fd4338d342c6d4ecad0fd1f5d32b390b99f 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 abbb0d5..2e64a69 100644
--- a/docker/Dockerfile.linux.arm
+++ b/docker/Dockerfile.linux.arm
@@ -1,4 +1,4 @@
-FROM arm32v6/alpine:3.20@sha256:50f635c8b04d86dde8a02bcd8d667ba287eb8b318c1c0cf547e5a48ddadea1be AS build
+FROM arm32v6/alpine:3.20@sha256:a2b9c479c72b128baaee28fb9db735a98dc3d8bc9e2dbbedeaebb55a37d48566 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 dedf90e..86302ce 100644
--- a/docker/Dockerfile.linux.arm64
+++ b/docker/Dockerfile.linux.arm64
@@ -1,4 +1,4 @@
-FROM arm64v8/alpine:3.20@sha256:9cee2b382fe2412cd77d5d437d15a93da8de373813621f2e4d406e3df0cf0e7c AS build
+FROM arm64v8/alpine:3.20@sha256:7d206216871a9feecd6c6689d895889577fdcb28f3f789d8243b3a12f38a2730 AS build
 RUN apk add --no-cache ca-certificates mailcap
 
 FROM scratch