diff --git a/deployment/docker/docker-compose.yml b/deployment/docker/docker-compose.yml
index 768d68889d..c20718282b 100755
--- a/deployment/docker/docker-compose.yml
+++ b/deployment/docker/docker-compose.yml
@@ -240,7 +240,7 @@ services:
         max-size: 10m
         
   nginx:
-    image: docker.io/nginx:1.21-alpine
+    image: docker.io/nginx:1.26-alpine
     deploy:
       resources:
         limits:
diff --git a/deployment/docker/nginx.conf b/deployment/docker/nginx.conf
index f5429c6066..107ce7242c 100755
--- a/deployment/docker/nginx.conf
+++ b/deployment/docker/nginx.conf
@@ -8,6 +8,7 @@ http {
   include /etc/nginx/mime.types;
   charset utf-8;
   default_type application/json;
+  server_tokens off;
 
   # timeouts are configured slightly higher than gateway read-timeout of 60 seconds
   proxy_connect_timeout 70; # seconds, default: 60
diff --git a/deployment/docker/sandbox/docker-compose.yml b/deployment/docker/sandbox/docker-compose.yml
index 545cf656a2..76b7ae45f4 100644
--- a/deployment/docker/sandbox/docker-compose.yml
+++ b/deployment/docker/sandbox/docker-compose.yml
@@ -226,7 +226,7 @@ services:
 #       - ./nodered/flows-ditto.json:/data/flows-ditto.json:rw
 
   nginx:
-    image: docker.io/nginx:1.21-alpine
+    image: docker.io/nginx:1.26-alpine
     deploy:
       resources:
         limits:
diff --git a/deployment/docker/sandbox/nginx.conf b/deployment/docker/sandbox/nginx.conf
index 2cc9ce73cf..0ac27a5462 100644
--- a/deployment/docker/sandbox/nginx.conf
+++ b/deployment/docker/sandbox/nginx.conf
@@ -8,6 +8,7 @@ http {
   charset utf-8;
   default_type application/json;
   include mime.types;
+  server_tokens off;
 
   # timeouts are configured slightly higher than gateway read-timeout of 60 seconds
   proxy_connect_timeout 70; # seconds, default: 60
diff --git a/deployment/helm/ditto/templates/nginx-configmap.yaml b/deployment/helm/ditto/templates/nginx-configmap.yaml
index b9667b661e..a8500cd2bb 100644
--- a/deployment/helm/ditto/templates/nginx-configmap.yaml
+++ b/deployment/helm/ditto/templates/nginx-configmap.yaml
@@ -29,6 +29,7 @@ data:
       charset utf-8;
       default_type application/json;
       include mime.types;
+      server_tokens off;
     
       # timeouts are configured slightly higher than ditto-eclipse-ditto-gateway read-timeout of 60 seconds
       proxy_connect_timeout 70; # seconds, default: 60
diff --git a/deployment/kubernetes/deploymentFiles/nginx/nginx.yaml b/deployment/kubernetes/deploymentFiles/nginx/nginx.yaml
index 4128286937..cab996e6ea 100644
--- a/deployment/kubernetes/deploymentFiles/nginx/nginx.yaml
+++ b/deployment/kubernetes/deploymentFiles/nginx/nginx.yaml
@@ -44,7 +44,7 @@ spec:
               done
       containers:
       - name: nginx
-        image: docker.io/nginx:1.21-alpine
+        image: docker.io/nginx:1.26-alpine
         volumeMounts:
         - name: nginx-conf
           mountPath: /etc/nginx/nginx.conf