diff --git a/Dockerfile b/Dockerfile
index 041a7a8a4..780b42b3d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -29,7 +29,7 @@ COPY --from=generate /opencloud /opencloud
 WORKDIR /opencloud/opencloud
 RUN make go-generate build ENABLE_VIPS=true
 
-FROM alpine:3.20
+FROM alpine:3.23
 
 RUN apk add --no-cache attr ca-certificates curl mailcap tree vips && \
 	echo 'hosts: files dns' >| /etc/nsswitch.conf
diff --git a/opencloud/docker/Dockerfile.multiarch b/opencloud/docker/Dockerfile.multiarch
index 0d859da15..e0e19a588 100644
--- a/opencloud/docker/Dockerfile.multiarch
+++ b/opencloud/docker/Dockerfile.multiarch
@@ -1,4 +1,4 @@
-FROM golang:alpine3.22 AS build
+FROM golang:alpine3.23 AS build
 ARG TARGETOS
 ARG TARGETARCH
 ARG VERSION
@@ -14,7 +14,7 @@ RUN --mount=type=bind,target=/build,rw \
     GOOS="${TARGETOS:-linux}" GOARCH="${TARGETARCH:-amd64}" ; \
     make -C opencloud/opencloud release-linux-docker-${TARGETARCH} ENABLE_VIPS=true DIST=/dist
 
-FROM alpine:3.22
+FROM alpine:3.23
 ARG VERSION
 ARG REVISION
 ARG TARGETOS