diff --git a/docker-network.sh b/docker-network.sh
index d9b67fc..ad094f4 100644
--- a/docker-network.sh
+++ b/docker-network.sh
@@ -30,8 +30,9 @@ NETWORK_SUBNET="10.${octet}.1.0/24"
 
 echo "Writing Docker daemon.json with base $ADDRESS_POOL_BASE..."
 
-mkdir -p /etc/docker
-cat > "$DOCKER_CONFIG_FILE" <<EOF
+sudo mkdir -p /etc/docker
+
+cat <<EOF | sudo tee "$DOCKER_CONFIG_FILE" > /dev/null
 {
     "default-address-pools": [
         {