diff --git a/.gitignore b/.gitignore
index 025e222..40eb730 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 tmp
 .idea/
 mktxp/mktxp.conf
+.vscode
diff --git a/README.md b/README.md
index 7eb19ed..bca238e 100644
--- a/README.md
+++ b/README.md
@@ -123,6 +123,7 @@ server {
   include ssl/self-signed.conf;
 
   location / {
+   proxy_set_header Host $http_host; 
    proxy_pass http://grafana:3000/;
   }
 }
diff --git a/docker-compose.yml b/docker-compose.yml
index 2dfc366..b63f3d2 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -9,7 +9,7 @@ services:
   # Prometheus
   # https://github.com/stefanprodan/dockprom
   prometheus:
-    image: prom/prometheus:v2.28.1
+    image: prom/prometheus:v2.37.0
     container_name: prometheus
     volumes:
       - ./prometheus:/etc/prometheus
@@ -26,7 +26,7 @@ services:
   # Grafana
   # https://github.com/stefanprodan/dockprom
   grafana:
-    image: grafana/grafana:8.0.4
+    image: grafana/grafana:9.0.6
     container_name: grafana
     volumes:
       - grafana_data:/var/lib/grafana
diff --git a/nginx/nginx.conf b/nginx/nginx.conf
index 4b11ec2..30fdb44 100644
--- a/nginx/nginx.conf
+++ b/nginx/nginx.conf
@@ -3,6 +3,7 @@ server {
 	listen [::]:80;
 
   location / {
+   proxy_set_header Host $http_host; 
    proxy_pass http://grafana:3000/;
   }
 }