diff --git a/docs/networking/proxies/nginx.md b/docs/networking/proxies/nginx.md
index 633a76030..3bf9bb6a6 100644
--- a/docs/networking/proxies/nginx.md
+++ b/docs/networking/proxies/nginx.md
@@ -455,6 +455,8 @@ Changing these value globally or on a per-app basis will require rebuilding the
 | proxy-buffering           | `on`                                  | string  | Enables or disables buffering of responses from the proxied server                  |
 | proxy-buffers             | `8 8k`                                | string  | Number and size of the buffers used for reading the proxied server response, for a single connection |
 | proxy-busy-buffers-size   | `16k`                                 | string  | Limits the total size of buffers that can be busy sending a response to the client while the response is not yet fully read. |
+| proxy-http-version     | `1.1`                                 | string  | The HTTP version to use for establishing a connection to your backend server. Ensure that your backend server supports this.           |
+
 | proxy-connect-timeout     | `60s`                                 | string  | Timeout (with units) for establishing a connection to your backend server           |
 | proxy-keepalive           | empty (disabled)                      | integer | Number of idle keepalive connections to upstream servers (disabled by default)      |
 | proxy-read-timeout        | `60s`                                 | string  | Timeout (with units) for reading response from your backend server                  |
@@ -654,6 +656,7 @@ All nginx-vhosts properties are settable at both the app and global scope.
 | `proxy-buffering` | app + global | `on` | `--nginx-proxy-buffering`, `--nginx-global-proxy-buffering`, `--nginx-computed-proxy-buffering` | Whether nginx buffers upstream responses (`on` or `off`) |
 | `proxy-buffers` | app + global | _`8 {pagesize}`_ | `--nginx-proxy-buffers`, `--nginx-global-proxy-buffers`, `--nginx-computed-proxy-buffers` | Number and size of buffers used for an upstream response |
 | `proxy-busy-buffers-size` | app + global | _`2 * pagesize`_ | `--nginx-proxy-busy-buffers-size`, `--nginx-global-proxy-busy-buffers-size`, `--nginx-computed-proxy-busy-buffers-size` | Maximum buffer size that can be busy sending a response to the client |
+| `proxy-http-version` | app + global | `1.1` | `--nginx-proxy-http-version`, `--nginx-global-proxy-http-version`, `--nginx-computed-proxy-http-version` | HTTP version to use for a connection to the upstream |
 | `proxy-connect-timeout` | app + global | `60s` | `--nginx-proxy-connect-timeout`, `--nginx-global-proxy-connect-timeout`, `--nginx-computed-proxy-connect-timeout` | Time to establish a connection to the upstream |
 | `proxy-keepalive` | app + global | none | `--nginx-proxy-keepalive`, `--nginx-global-proxy-keepalive`, `--nginx-computed-proxy-keepalive` | Number of idle keep-alive connections to upstream servers held open per worker |
 | `proxy-read-timeout` | app + global | `60s` | `--nginx-proxy-read-timeout`, `--nginx-global-proxy-read-timeout`, `--nginx-computed-proxy-read-timeout` | Time to read a response from the upstream |
diff --git a/plugins/nginx-vhosts/functions b/plugins/nginx-vhosts/functions
index 21eeb9351..970f08062 100755
--- a/plugins/nginx-vhosts/functions
+++ b/plugins/nginx-vhosts/functions
@@ -282,6 +282,7 @@ fn-nginx-vhosts-render-template() {
   local CLIENT_MAX_BODY_SIZE="$(fn-nginx-computed-client-max-body-size "$APP")"
   local KEEPALIVE_TIMEOUT="$(fn-nginx-computed-keepalive-timeout "$APP")"
   local LINGERING_TIMEOUT="$(fn-nginx-computed-lingering-timeout "$APP")"
+  local PROXY_HTTP_VERSION="$(fn-nginx-computed-proxy-http-version "$APP")"
   local PROXY_CONNECT_TIMEOUT="$(fn-nginx-computed-proxy-connect-timeout "$APP")"
   local PROXY_READ_TIMEOUT="$(fn-nginx-computed-proxy-read-timeout "$APP")"
   local PROXY_SEND_TIMEOUT="$(fn-nginx-computed-proxy-send-timeout "$APP")"
@@ -334,6 +335,7 @@ fn-nginx-vhosts-render-template() {
     CLIENT_MAX_BODY_SIZE="$CLIENT_MAX_BODY_SIZE"
     KEEPALIVE_TIMEOUT="$KEEPALIVE_TIMEOUT"
     LINGERING_TIMEOUT="$LINGERING_TIMEOUT"
+    PROXY_HTTP_VERSION="$PROXY_HTTP_VERSION"
     PROXY_CONNECT_TIMEOUT="$PROXY_CONNECT_TIMEOUT"
     PROXY_READ_TIMEOUT="$PROXY_READ_TIMEOUT"
     PROXY_SEND_TIMEOUT="$PROXY_SEND_TIMEOUT"
diff --git a/plugins/nginx-vhosts/internal-functions b/plugins/nginx-vhosts/internal-functions
index 8016d4747..a2616eb84 100755
--- a/plugins/nginx-vhosts/internal-functions
+++ b/plugins/nginx-vhosts/internal-functions
@@ -425,6 +425,27 @@ fn-nginx-global-proxy-busy-buffers-size() {
   fn-get-property --app "$APP" --global "proxy-busy-buffers-size"
 }
 
+fn-nginx-proxy-http-version() {
+  declare desc="get the configured proxy http version"
+  declare APP="$1"
+
+  fn-get-property --app "$APP" "proxy-http-version"
+}
+
+fn-nginx-computed-proxy-http-version() {
+  declare desc="get the computed proxy http version"
+  declare APP="$1"
+
+  fn-get-property --app "$APP" --computed "proxy-http-version"
+}
+
+fn-nginx-global-proxy-http-version() {
+  declare desc="get the global proxy http version"
+  declare APP="$1"
+
+  fn-get-property --app "$APP" --global "proxy-http-version"
+}
+
 fn-nginx-proxy-connect-timeout() {
   declare desc="get the configured proxy connect timeout"
   declare APP="$1"
diff --git a/plugins/nginx-vhosts/nginx_vhosts.go b/plugins/nginx-vhosts/nginx_vhosts.go
index 097314212..7a51f6e10 100644
--- a/plugins/nginx-vhosts/nginx_vhosts.go
+++ b/plugins/nginx-vhosts/nginx_vhosts.go
@@ -436,6 +436,27 @@ func GlobalProxyBusyBuffersSize() string {
 	return common.PropertyGet("nginx", "--global", "proxy-busy-buffers-size")
 }
 
+func AppProxyHttpVersion(appName string) string {
+	return common.PropertyGet("nginx", appName, "proxy-http-version")
+}
+
+func ComputedProxyHttpVersion(appName string) string {
+	appValue := AppProxyHttpVersion(appName)
+	if appValue != "" {
+		return appValue
+	}
+
+	value := GlobalProxyHttpVersion()
+	if value == "" {
+		value = "1.1"
+	}
+	return value
+}
+
+func GlobalProxyHttpVersion() string {
+	return common.PropertyGet("nginx", "--global", "proxy-http-version")
+}
+
 func AppProxyConnectTimeout(appName string) string {
 	return common.PropertyGet("nginx", appName, "proxy-connect-timeout")
 }
diff --git a/plugins/nginx-vhosts/report.go b/plugins/nginx-vhosts/report.go
index 7434118ff..3cf18eb3c 100644
--- a/plugins/nginx-vhosts/report.go
+++ b/plugins/nginx-vhosts/report.go
@@ -43,6 +43,7 @@ func nginxReportProps() []nginxReportProp {
 		{"proxy-buffers", AppProxyBuffers, ComputedProxyBuffers, wrapGlobal(GlobalProxyBuffers)},
 		{"proxy-busy-buffers-size", AppProxyBusyBuffersSize, ComputedProxyBusyBuffersSize, wrapGlobal(GlobalProxyBusyBuffersSize)},
 		{"proxy-connect-timeout", AppProxyConnectTimeout, ComputedProxyConnectTimeout, wrapGlobal(GlobalProxyConnectTimeout)},
+		{"proxy-http-version", AppProxyHttpVersion, ComputedProxyHttpVersion, wrapGlobal(GlobalProxyHttpVersion)},
 		{"proxy-keepalive", AppProxyKeepalive, ComputedProxyKeepalive, wrapGlobal(GlobalProxyKeepalive)},
 		{"proxy-read-timeout", AppProxyReadTimeout, ComputedProxyReadTimeout, wrapGlobal(GlobalProxyReadTimeout)},
 		{"proxy-send-timeout", AppProxySendTimeout, ComputedProxySendTimeout, wrapGlobal(GlobalProxySendTimeout)},
diff --git a/plugins/nginx-vhosts/src/nginx-property/nginx-property.go b/plugins/nginx-vhosts/src/nginx-property/nginx-property.go
index 84d041a36..98b719b4d 100644
--- a/plugins/nginx-vhosts/src/nginx-property/nginx-property.go
+++ b/plugins/nginx-vhosts/src/nginx-property/nginx-property.go
@@ -77,6 +77,8 @@ func appValue(appName string, property string) string {
 		value = nginx_vhosts.AppProxyBuffers(appName)
 	case "proxy-busy-buffers-size":
 		value = nginx_vhosts.AppProxyBusyBuffersSize(appName)
+	case "proxy-http-version":
+		value = nginx_vhosts.AppProxyHttpVersion(appName)
 	case "proxy-connect-timeout":
 		value = nginx_vhosts.AppProxyConnectTimeout(appName)
 	case "proxy-read-timeout":
@@ -147,6 +149,8 @@ func computedValue(appName string, property string) string {
 		value = nginx_vhosts.ComputedProxyBuffers(appName)
 	case "proxy-busy-buffers-size":
 		value = nginx_vhosts.ComputedProxyBusyBuffersSize(appName)
+	case "proxy-http-version":
+		value = nginx_vhosts.ComputedProxyHttpVersion(appName)
 	case "proxy-connect-timeout":
 		value = nginx_vhosts.ComputedProxyConnectTimeout(appName)
 	case "proxy-read-timeout":
@@ -217,6 +221,8 @@ func globalValue(appName string, property string) string {
 		value = nginx_vhosts.GlobalProxyBuffers()
 	case "proxy-busy-buffers-size":
 		value = nginx_vhosts.GlobalProxyBusyBuffersSize()
+	case "proxy-http-version":
+		value = nginx_vhosts.GlobalProxyHttpVersion()
 	case "proxy-connect-timeout":
 		value = nginx_vhosts.GlobalProxyConnectTimeout()
 	case "proxy-read-timeout":
diff --git a/plugins/nginx-vhosts/subcommands/set b/plugins/nginx-vhosts/subcommands/set
index 27e85855b..ee8ad3530 100755
--- a/plugins/nginx-vhosts/subcommands/set
+++ b/plugins/nginx-vhosts/subcommands/set
@@ -9,13 +9,13 @@ cmd-nginx-set() {
   declare cmd="nginx:set"
   [[ "$1" == "$cmd" ]] && shift 1
   declare APP="$1" KEY="$2" VALUE="$3"
-  local VALID_KEYS=("access-log-format" "access-log-path" "bind-address-ipv4" "bind-address-ipv6" "client-body-timeout" "client-header-timeout" "client-max-body-size" "disable-custom-config" "error-log-path" "hsts" "hsts-include-subdomains" "hsts-preload" "hsts-max-age" "keepalive-timeout" "lingering-timeout" "nginx-conf-sigil-path" "nginx-service-command" "proxy-buffer-size" "proxy-buffering" "proxy-buffers" "proxy-busy-buffers-size" "proxy-connect-timeout" "proxy-read-timeout" "proxy-send-timeout" "proxy-keepalive" "send-timeout" "underscore-in-headers" "x-forwarded-for-value" "x-forwarded-port-value" "x-forwarded-proto-value" "x-forwarded-ssl")
-  local GLOBAL_KEYS=("access-log-format" "access-log-path" "bind-address-ipv4" "bind-address-ipv6" "client-body-timeout" "client-header-timeout" "client-max-body-size" "disable-custom-config" "error-log-path" "hsts-include-subdomains" "hsts-max-age" "hsts-preload" "hsts" "keepalive-timeout" "lingering-timeout" "nginx-conf-sigil-path" "nginx-service-command" "proxy-buffer-size" "proxy-buffering" "proxy-buffers" "proxy-busy-buffers-size" "proxy-connect-timeout" "proxy-read-timeout" "proxy-send-timeout" "proxy-keepalive" "send-timeout" "underscore-in-headers" "x-forwarded-for-value" "x-forwarded-port-value" "x-forwarded-proto-value" "x-forwarded-ssl")
+  local VALID_KEYS=("access-log-format" "access-log-path" "bind-address-ipv4" "bind-address-ipv6" "client-body-timeout" "client-header-timeout" "client-max-body-size" "disable-custom-config" "error-log-path" "hsts" "hsts-include-subdomains" "hsts-preload" "hsts-max-age" "keepalive-timeout" "lingering-timeout" "nginx-conf-sigil-path" "nginx-service-command" "proxy-buffer-size" "proxy-buffering" "proxy-buffers" "proxy-busy-buffers-size" "proxy-http-version" "proxy-connect-timeout" "proxy-read-timeout" "proxy-send-timeout" "proxy-keepalive" "send-timeout" "underscore-in-headers" "x-forwarded-for-value" "x-forwarded-port-value" "x-forwarded-proto-value" "x-forwarded-ssl")
+  local GLOBAL_KEYS=("access-log-format" "access-log-path" "bind-address-ipv4" "bind-address-ipv6" "client-body-timeout" "client-header-timeout" "client-max-body-size" "disable-custom-config" "error-log-path" "hsts-include-subdomains" "hsts-max-age" "hsts-preload" "hsts" "keepalive-timeout" "lingering-timeout" "nginx-conf-sigil-path" "nginx-service-command" "proxy-buffer-size" "proxy-buffering" "proxy-buffers" "proxy-busy-buffers-size" "proxy-http-version" "proxy-connect-timeout" "proxy-read-timeout" "proxy-send-timeout" "proxy-keepalive" "send-timeout" "underscore-in-headers" "x-forwarded-for-value" "x-forwarded-port-value" "x-forwarded-proto-value" "x-forwarded-ssl")
 
   [[ -z "$KEY" ]] && dokku_log_fail "No key specified"
 
   if ! fn-in-array "$KEY" "${VALID_KEYS[@]}"; then
-    dokku_log_fail "Invalid key specified, valid keys include: access-log-format, access-log-path, bind-address-ipv4, bind-address-ipv6, client-body-timeout, client-header-timeout, client-max-body-size, disable-custom-config, error-log-path, hsts, hsts-include-subdomains, hsts-preload, hsts-max-age, keepalive-timeout, lingering-timeout, nginx-conf-sigil-path, nginx-service-command, proxy-buffer-size, proxy-buffering, proxy-buffers, proxy-busy-buffers-size, proxy-connect-timeout, proxy-read-timeout, proxy-send-timeout, proxy-keepalive, send-timeout, underscore-in-headers, x-forwarded-for-value, x-forwarded-port-value, x-forwarded-proto-value, x-forwarded-ssl"
+    dokku_log_fail "Invalid key specified, valid keys include: access-log-format, access-log-path, bind-address-ipv4, bind-address-ipv6, client-body-timeout, client-header-timeout, client-max-body-size, disable-custom-config, error-log-path, hsts, hsts-include-subdomains, hsts-preload, hsts-max-age, keepalive-timeout, lingering-timeout, nginx-conf-sigil-path, nginx-service-command, proxy-buffer-size, proxy-buffering, proxy-buffers, proxy-busy-buffers-size, proxy-http-version, proxy-connect-timeout, proxy-read-timeout, proxy-send-timeout, proxy-keepalive, send-timeout, underscore-in-headers, x-forwarded-for-value, x-forwarded-port-value, x-forwarded-proto-value, x-forwarded-ssl"
   fi
 
   if ! fn-in-array "$KEY" "${GLOBAL_KEYS[@]}" && [[ "$APP" == "--global" ]]; then
diff --git a/plugins/nginx-vhosts/template_test.go b/plugins/nginx-vhosts/template_test.go
index f1699656f..fa5beacc9 100644
--- a/plugins/nginx-vhosts/template_test.go
+++ b/plugins/nginx-vhosts/template_test.go
@@ -47,6 +47,7 @@ func defaultVars() map[string]interface{} {
 		"KEEPALIVE_TIMEOUT":           "75s",
 		"LINGERING_TIMEOUT":           "5s",
 		"SEND_TIMEOUT":                "60s",
+		"PROXY_HTTP_VERSION":          "1.1",
 		"PROXY_CONNECT_TIMEOUT":       "60s",
 		"PROXY_READ_TIMEOUT":          "60s",
 		"PROXY_SEND_TIMEOUT":          "60s",
diff --git a/plugins/nginx-vhosts/templates/nginx.conf.sigil b/plugins/nginx-vhosts/templates/nginx.conf.sigil
index 9687e6a56..62f37ee0c 100644
--- a/plugins/nginx-vhosts/templates/nginx.conf.sigil
+++ b/plugins/nginx-vhosts/templates/nginx.conf.sigil
@@ -58,7 +58,7 @@ server {
 
     proxy_pass  http://{{ $.APP }}-{{ $upstream_port }};
     {{ if and $is_ssl (eq $.HTTP2_PUSH_SUPPORTED "true") }}http2_push_preload on; {{ end }}
-    proxy_http_version 1.1;
+    proxy_http_version {{ $.PROXY_HTTP_VERSION }};
     proxy_connect_timeout {{ $.PROXY_CONNECT_TIMEOUT }};
     proxy_read_timeout {{ $.PROXY_READ_TIMEOUT }};
     proxy_send_timeout {{ $.PROXY_SEND_TIMEOUT }};
diff --git a/plugins/scheduler-k3s/functions.go b/plugins/scheduler-k3s/functions.go
index efe69fcc0..4a1050565 100644
--- a/plugins/scheduler-k3s/functions.go
+++ b/plugins/scheduler-k3s/functions.go
@@ -1044,6 +1044,10 @@ func getIngressAnnotations(appName string, processType string) (map[string]strin
 				return fmt.Sprintf("proxy_busy_buffers_size %s;", value)
 			},
 		},
+		"proxy-http-version": {
+			annotation: "nginx.ingress.kubernetes.io/proxy-http-version",
+			getter:     nginxvhosts.ComputedProxyHttpVersion,
+		},
 		"proxy-connect-timeout": {
 			annotation: "nginx.ingress.kubernetes.io/proxy-connect-timeout",
 			getter:     nginxvhosts.ComputedProxyConnectTimeout,
diff --git a/tests/unit/nginx-vhosts_properties.bats b/tests/unit/nginx-vhosts_properties.bats
index db6792b21..fc1a5300a 100644
--- a/tests/unit/nginx-vhosts_properties.bats
+++ b/tests/unit/nginx-vhosts_properties.bats
@@ -103,6 +103,7 @@ assert_nginx_property_set_get() {
 @test "(nginx:report) misc properties raw/global/computed" {
   assert_nginx_property_set_get "disable-custom-config" "false" "true"
   assert_nginx_property_set_get "underscore-in-headers" "on" "off"
+  assert_nginx_property_set_get "proxy-http-version" "2" "1.1"
   assert_nginx_property_set_get "proxy-keepalive" "8" "16"
   assert_nginx_property_set_get "nginx-conf-sigil-path" "custom.sigil" "global.sigil"
   assert_nginx_property_set_get "nginx-service-command" "/usr/sbin/nginx-app" "/usr/sbin/nginx-global"