diff --git a/README.rst b/README.rst
index 630b919..7eca71c 100644
--- a/README.rst
+++ b/README.rst
@@ -491,6 +491,28 @@
               name: gitlab.domain.com
               port: 80
 
+If we need to read large client request headers, we need to add new
+parameter `large_client_header_buffers` with buffers number and size:
+
+.. code-block:: yaml
+
+    nginx:
+      server:
+        enabled: true
+        bind:
+          address: '0.0.0.0'
+          ports:
+          - 80
+        site:
+          gitlab_proxy:
+            enabled: true
+            type: nginx_proxy
+            large_client_header_buffers: '4 8k'
+            host:
+              name: gitlab.domain.com
+              port: 80
+
+
 Let's Encrypt:
 
 .. code-block:: yaml
diff --git a/nginx/files/proxy.conf b/nginx/files/proxy.conf
index 12fd60c..8d57fd8 100644
--- a/nginx/files/proxy.conf
+++ b/nginx/files/proxy.conf
@@ -26,6 +26,9 @@
     {# If location is not defined in model, use proxy definition by default #}
     {%- do location.update({'/': site.proxy}) %}
   {%- endif %}
+  {%- if site.get('large_client_header_buffers') %}
+  large_client_header_buffers {{ site.large_client_header_buffers }};
+  {%- endif %}
   {%- if site.get('limit', {}).get('enabled', False) %}
   limit_req_status {{ site.limit.get('status_code', '429') }};
   limit_conn_status {{ site.limit.get('status_code', '429') }};