diff --git a/certbot/certbot-keycloak.sh b/certbot/certbot-keycloak.sh
new file mode 100755
index 0000000..f845de7
--- /dev/null
+++ b/certbot/certbot-keycloak.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+
+CERTBOT_VER=v1.30.0
+CNT=keycloak_nginx_proxy
+DOM=acceso.txs.es
+NGINX=/opt/nginx-proxy
+
+cd /opt/certbot
+docker run --rm \
+	-v $(pwd)/conf:/etc/letsencrypt \
+	-v $(pwd)/var:/var/lib/letsencrypt \
+	-v $(pwd)/log:/var/log/letsencrypt \
+	-v $NGINX/acme:/acme \
+	certbot/certbot:$CERTBOT_VER certonly -n --webroot -w /acme -d $DOM
+
+## Check if the Certbot execution modified the certificate in the expected path, then
+## copy the new one to the NGINX install folder and restart its container.
+cmp $NGINX/certs/keycloak-cert.pem conf/live/$DOM/fullchain.pem </dev/null >&0 2>&0
+if [ $? -ne 0 ]; then
+	echo "Updating certificate in $CNT container"
+	cp -afL conf/live/$DOM/fullchain.pem $NGINX/certs/keycloak-cert.pem
+	cp -afL conf/live/$DOM/privkey.pem $NGINX/certs/keycloak-key.pem
+	docker restart -t 2 $CNT
+else
+	echo "No new certificates detected: omitting installation in $CNT container"
+fi