diff --git a/README.md b/README.md
index 80c4a20..749fb62 100644
--- a/README.md
+++ b/README.md
@@ -493,6 +493,7 @@ nginx_http_template:
           proxy_ignore_headers:
             - Vary
             - Cache-Control
+          proxy_http_version: 1.0
           websocket: false
           auth_basic: null
           auth_basic_user_file: null
diff --git a/defaults/main.yml b/defaults/main.yml
index c17e075..8946e01 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -305,6 +305,7 @@ nginx_http_template:
           proxy_ignore_headers:
             - Vary
             - Cache-Control
+          proxy_http_version: 1.0
           websocket: false
           auth_basic: null
           auth_basic_user_file: null
diff --git a/templates/http/default.conf.j2 b/templates/http/default.conf.j2
index f5922cd..2e5dded 100644
--- a/templates/http/default.conf.j2
+++ b/templates/http/default.conf.j2
@@ -161,6 +161,13 @@ server {
 {% for header in item.value.reverse_proxy.locations[location].proxy_set_header %}
         proxy_set_header {{ item.value.reverse_proxy.locations[location].proxy_set_header[header].name }} {{ item.value.reverse_proxy.locations[location].proxy_set_header[header].value }};
 {% endfor %}
+{% if item.value.reverse_proxy.locations[location].proxy_http_version is defined %}
+        proxy_http_version {{ item.value.reverse_proxy.locations[location].proxy_http_version }};
+{% endif %}
+{% if item.value.reverse_proxy.locations[location].websocket is defined and item.value.reverse_proxy.locations[location].websocket %}
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "Upgrade";
+{% endif %}
 {% endif %}
 {% if item.value.reverse_proxy.locations[location].try_files is defined %}
         try_files {{ item.value.reverse_proxy.locations[location].try_files }};