diff --git a/f38-server/Containerfile b/f38-server/Containerfile
index c1de968..504a173 100644
--- a/f38-server/Containerfile
+++ b/f38-server/Containerfile
@@ -1,4 +1,4 @@
-# ====== Stage 1: Builder image ======
+j# ====== Stage 1: Builder image ======
 FROM fedora:latest AS builder
 
 RUN dnf update -y && dnf install -y git golang
@@ -10,12 +10,12 @@ WORKDIR /gocryptfs
 RUN ./build-without-openssl.bash
 
 # ====== Stage 2: Server image ======
-FROM quay.io/fedora/fedora-silverblue:39
+FROM quay.io/fedora/fedora-silverblue:40
 
 COPY --from=builder /gocryptfs/gocryptfs /usr/bin/gocryptfs
 
 # Install ZFS repository
-RUN rpm-ostree install https://github.com/zfsonlinux/zfsonlinux.github.com/raw/master/fedora/zfs-release-2-4$(rpm --eval "%{dist}").noarch.rpm && \
+RUN rpm-ostree install https://github.com/zfsonlinux/zfsonlinux.github.com/raw/master/fedora/zfs-release-2-6$(rpm --eval "%{dist}").noarch.rpm && \
     # cleanup and verification stage
     rm -vrf /var /*.rpm && \
     ostree container commit