diff --git a/docker/Dockerfile.linux.386 b/docker/Dockerfile.linux.386
index f273c2e..64af966 100644
--- a/docker/Dockerfile.linux.386
+++ b/docker/Dockerfile.linux.386
@@ -1,4 +1,4 @@
-FROM i386/alpine:3.18@sha256:5ece42cd6ca30ec1a4cc5e1e10a260ad4906e1d4588ae0ef486874d72b3857ad AS build
+FROM i386/alpine:3.19@sha256:b31dd6ba7d28a1559be39a88c292a1a8948491b118dafd3e8139065afe55690a 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 b5f7539..81b4c83 100644
--- a/docker/Dockerfile.linux.amd64
+++ b/docker/Dockerfile.linux.amd64
@@ -1,4 +1,4 @@
-FROM amd64/alpine:3.18@sha256:d695c3de6fcd8cfe3a6222b0358425d40adfd129a8a47c3416faff1a8aece389 AS build
+FROM amd64/alpine:3.19@sha256:13b7e62e8df80264dbb747995705a986aa530415763a6c58f84a3ca8af9a5bcd 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 5bfa499..18cd14a 100644
--- a/docker/Dockerfile.linux.arm
+++ b/docker/Dockerfile.linux.arm
@@ -1,4 +1,4 @@
-FROM arm32v6/alpine:3.18@sha256:1832ef473ede9a923cc6affdf13b54a1be6561ad2ce3c3684910260a7582d36b AS build
+FROM arm32v6/alpine:3.19@sha256:45eeb55d6698849eb12a02d3e9a323e3d8e656882ef4ca542d1dda0274231e84 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 383beee..4aa1d02 100644
--- a/docker/Dockerfile.linux.arm64
+++ b/docker/Dockerfile.linux.arm64
@@ -1,4 +1,4 @@
-FROM arm64v8/alpine:3.18@sha256:d4ade3639c27579321046d78cc44ec978cea8357d56932611984f601d27e30ac AS build
+FROM arm64v8/alpine:3.19@sha256:a70bcfbd89c9620d4085f6bc2a3e2eef32e8f3cdf5a90e35a1f95dcbd7f71548 AS build
 RUN apk add --no-cache ca-certificates mailcap
 
 FROM scratch