diff --git a/Dockerfile b/Dockerfile
index a864872..9959f72 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,7 +14,7 @@ RUN apt-get update && apt-get install python3-certbot-dns-cloudflare -yy \
 	&& rm -rf /var/lib/apt/lists/* /tmp/*
 
 # Add acme-lego Certbot
-RUN curl -sL https://github.com/go-acme/lego/releases/download/v4.1.3/lego_v4.1.3_linux_amd64.tar.gz | tar -C /usr/local/sbin -xzf -
+RUN curl -sL https://github.com/go-acme/lego/releases/download/v4.2.0/lego_v4.2.0_linux_amd64.tar.gz | tar -C /usr/local/sbin -xzf -
 
 #RUN cd /usr/local/sbin && \
 #	curl -O https://dl.eff.org/certbot-auto && \
diff --git a/renew.sh b/renew.sh
index 89c9d65..7850032 100755
--- a/renew.sh
+++ b/renew.sh
@@ -15,6 +15,7 @@ elif [ "$1" == "lego" ]; then
 		echo " - line is [${line}]"
 		LEGO_ACCOUNT_EMAIL=$(echo ${line} | cut -d':' -f 1)
 		DOMAINS=$(echo ${line} | cut -d':' -f 2)
+		DNS=$(echo ${line} | cut -d':' -f 3)
 		LEGO_CERT_DOMAIN=(${DOMAINS//,/ })
 
 		LEGO_ACCOUNT_EMAIL=${LEGO_ACCOUNT_EMAIL:? LEGO_ACCOUNT_EMAIL not set}
@@ -22,7 +23,21 @@ elif [ "$1" == "lego" ]; then
 
 		LEGO_CERT_DOMAIN=(${LEGO_CERT_DOMAIN[@]/#/-d })
 
-		lego --email="${LEGO_ACCOUNT_EMAIL}" ${LEGO_CERT_DOMAIN[@]} --path ${CERTDIR}/ssl/lego --tls --tls.port :${TLS_PORT} renew --renew-hook="touch $RELOAD"
+		if [ ${DNS} == 'cloudflare' ]; then
+			DNS=$(echo ${line} | cut -d':' -f 3)
+
+			export CLOUDFLARE_EMAIL=$(echo ${line} | cut -d':' -f 4)
+			export CF_DNS_API_TOKEN=$(echo ${line} | cut -d':' -f 5)
+			LEGO_DNS="--dns cloudflare"
+		else
+			:
+		fi
+
+		if [ "$2" == "run" ]; then
+			lego ${LEGO_DNS} --email="${LEGO_ACCOUNT_EMAIL}" ${LEGO_CERT_DOMAIN[@]} --path ${CERTDIR}/ssl/lego --tls --tls.port :${TLS_PORT} run --run-hook="touch $RELOAD"
+		else
+			lego ${LEGO_DNS} --email="${LEGO_ACCOUNT_EMAIL}" ${LEGO_CERT_DOMAIN[@]} --path ${CERTDIR}/ssl/lego --tls --tls.port :${TLS_PORT} renew --renew-hook="touch $RELOAD"
+		fi
 	done
 
 	if [ -r ${RELOAD} ]; then