diff --git a/docker/server/Dockerfile b/docker/server/Dockerfile
index 9e32228..4ec6a51 100644
--- a/docker/server/Dockerfile
+++ b/docker/server/Dockerfile
@@ -8,6 +8,7 @@ FROM nixos/nix:2.31.3 AS builder
 RUN tee -a /etc/nix/nix.conf <<EOF
 extra-experimental-features = nix-command flakes
 filter-syscalls = false
+sandbox = false
 substituters = http://ncps.nix-pull-through-cache.svc.cluster.local:80 https://cache.nixos.org
 download-attempts = 1
 connect-timeout = 3