diff --git a/roles/nginx/defaults/main.yml b/roles/nginx/defaults/main.yml
index db691ea..6a25023 100644
--- a/roles/nginx/defaults/main.yml
+++ b/roles/nginx/defaults/main.yml
@@ -2,3 +2,5 @@
   is_proxy: false
   php: false
   config_name: null
+  # max body size in Mb
+  max_body_size: 8
diff --git a/roles/nginx/templates/proxy.conf.nginx.j2 b/roles/nginx/templates/proxy.conf.nginx.j2
index 79a71c6..0d35500 100644
--- a/roles/nginx/templates/proxy.conf.nginx.j2
+++ b/roles/nginx/templates/proxy.conf.nginx.j2
@@ -1,5 +1,5 @@
     location / {
-        client_max_body_size 50M;
+        client_max_body_size {{ max_body_size }}M;
         proxy_set_header Upgrade $http_upgrade;
         proxy_set_header Connection "upgrade";
         proxy_set_header Host $http_host;