diff --git a/esphome/components/midea/climate.py b/esphome/components/midea/climate.py
index 137fcdd607..7717613fc4 100644
--- a/esphome/components/midea/climate.py
+++ b/esphome/components/midea/climate.py
@@ -281,4 +281,4 @@ async def to_code(config):
     if CONF_HUMIDITY_SETPOINT in config:
         sens = await sensor.new_sensor(config[CONF_HUMIDITY_SETPOINT])
         cg.add(var.set_humidity_setpoint_sensor(sens))
-    cg.add_library("dudanov/MideaUART", "1.1.5")
+    cg.add_library("dudanov/MideaUART", "1.1.8")
diff --git a/esphome/components/web_server/__init__.py b/esphome/components/web_server/__init__.py
index 7f17767657..240ba7c8a0 100644
--- a/esphome/components/web_server/__init__.py
+++ b/esphome/components/web_server/__init__.py
@@ -34,8 +34,8 @@ CONFIG_SCHEMA = cv.Schema(
         cv.Optional(CONF_JS_INCLUDE): cv.file_,
         cv.Optional(CONF_AUTH): cv.Schema(
             {
-                cv.Required(CONF_USERNAME): cv.string_strict,
-                cv.Required(CONF_PASSWORD): cv.string_strict,
+                cv.Required(CONF_USERNAME): cv.All(cv.string_strict, cv.Length(min=1)),
+                cv.Required(CONF_PASSWORD): cv.All(cv.string_strict, cv.Length(min=1)),
             }
         ),
         cv.GenerateID(CONF_WEB_SERVER_BASE_ID): cv.use_id(
@@ -57,8 +57,8 @@ async def to_code(config):
     cg.add(var.set_css_url(config[CONF_CSS_URL]))
     cg.add(var.set_js_url(config[CONF_JS_URL]))
     if CONF_AUTH in config:
-        cg.add(var.set_username(config[CONF_AUTH][CONF_USERNAME]))
-        cg.add(var.set_password(config[CONF_AUTH][CONF_PASSWORD]))
+        cg.add(paren.set_auth_username(config[CONF_AUTH][CONF_USERNAME]))
+        cg.add(paren.set_auth_password(config[CONF_AUTH][CONF_PASSWORD]))
     if CONF_CSS_INCLUDE in config:
         cg.add_define("WEBSERVER_CSS_INCLUDE")
         path = CORE.relative_config_path(config[CONF_CSS_INCLUDE])
diff --git a/esphome/components/web_server/web_server.cpp b/esphome/components/web_server/web_server.cpp
index dc97bcd5c2..e19a54931a 100644
--- a/esphome/components/web_server/web_server.cpp
+++ b/esphome/components/web_server/web_server.cpp
@@ -1,8 +1,8 @@
 #include "web_server.h"
-#include "esphome/core/log.h"
-#include "esphome/core/application.h"
-#include "esphome/core/util.h"
 #include "esphome/components/json/json_util.h"
+#include "esphome/core/application.h"
+#include "esphome/core/log.h"
+#include "esphome/core/util.h"
 
 #include "StreamString.h"
 
@@ -151,9 +151,6 @@ void WebServer::setup() {
 void WebServer::dump_config() {
   ESP_LOGCONFIG(TAG, "Web Server:");
   ESP_LOGCONFIG(TAG, "  Address: %s:%u", network_get_address().c_str(), this->base_->get_port());
-  if (this->using_auth()) {
-    ESP_LOGCONFIG(TAG, "  Basic authentication enabled");
-  }
 }
 float WebServer::get_setup_priority() const { return setup_priority::WIFI - 1.0f; }
 
@@ -728,10 +725,6 @@ bool WebServer::canHandle(AsyncWebServerRequest *request) {
   return false;
 }
 void WebServer::handleRequest(AsyncWebServerRequest *request) {
-  if (this->using_auth() && !request->authenticate(this->username_, this->password_)) {
-    return request->requestAuthentication();
-  }
-
   if (request->url() == "/") {
     this->handle_index_request(request);
     return;
diff --git a/esphome/components/web_server/web_server.h b/esphome/components/web_server/web_server.h
index 54d7356ac9..4e9224ee26 100644
--- a/esphome/components/web_server/web_server.h
+++ b/esphome/components/web_server/web_server.h
@@ -30,10 +30,6 @@ class WebServer : public Controller, public Component, public AsyncWebHandler {
  public:
   WebServer(web_server_base::WebServerBase *base) : base_(base) {}
 
-  void set_username(const char *username) { username_ = username; }
-
-  void set_password(const char *password) { password_ = password; }
-
   /** Set the URL to the CSS <link> that's sent to each client. Defaults to
    * https://esphome.io/_static/webserver-v1.min.css
    *
@@ -83,8 +79,6 @@ class WebServer : public Controller, public Component, public AsyncWebHandler {
   void handle_js_request(AsyncWebServerRequest *request);
 #endif
 
-  bool using_auth() { return username_ != nullptr && password_ != nullptr; }
-
 #ifdef USE_SENSOR
   void on_sensor_update(sensor::Sensor *obj, float state) override;
   /// Handle a sensor request under '/sensor/<id>'.
@@ -182,8 +176,6 @@ class WebServer : public Controller, public Component, public AsyncWebHandler {
  protected:
   web_server_base::WebServerBase *base_;
   AsyncEventSource events_{"/events"};
-  const char *username_{nullptr};
-  const char *password_{nullptr};
   const char *css_url_{nullptr};
   const char *css_include_{nullptr};
   const char *js_url_{nullptr};
diff --git a/esphome/components/web_server_base/web_server_base.cpp b/esphome/components/web_server_base/web_server_base.cpp
index 85711704b9..832456dc83 100644
--- a/esphome/components/web_server_base/web_server_base.cpp
+++ b/esphome/components/web_server_base/web_server_base.cpp
@@ -15,6 +15,17 @@ namespace web_server_base {
 
 static const char *const TAG = "web_server_base";
 
+void WebServerBase::add_handler(AsyncWebHandler *handler) {
+  // remove all handlers
+
+  if (!credentials_.username.empty()) {
+    handler = new internal::AuthMiddlewareHandler(handler, &credentials_);
+  }
+  this->handlers_.push_back(handler);
+  if (this->server_ != nullptr)
+    this->server_->addHandler(handler);
+}
+
 void report_ota_error() {
   StreamString ss;
   Update.printError(ss);
diff --git a/esphome/components/web_server_base/web_server_base.h b/esphome/components/web_server_base/web_server_base.h
index b6024ceafa..9c43358e48 100644
--- a/esphome/components/web_server_base/web_server_base.h
+++ b/esphome/components/web_server_base/web_server_base.h
@@ -1,5 +1,7 @@
 #pragma once
 
+#include <memory>
+#include <utility>
 #include "esphome/core/component.h"
 
 #include <ESPAsyncWebServer.h>
@@ -7,6 +9,68 @@
 namespace esphome {
 namespace web_server_base {
 
+namespace internal {
+
+class MiddlewareHandler : public AsyncWebHandler {
+ public:
+  MiddlewareHandler(AsyncWebHandler *next) : next_(next) {}
+
+  bool canHandle(AsyncWebServerRequest *request) override { return next_->canHandle(request); }
+  void handleRequest(AsyncWebServerRequest *request) override { next_->handleRequest(request); }
+  void handleUpload(AsyncWebServerRequest *request, const String &filename, size_t index, uint8_t *data, size_t len,
+                    bool final) override {
+    next_->handleUpload(request, filename, index, data, len, final);
+  }
+  void handleBody(AsyncWebServerRequest *request, uint8_t *data, size_t len, size_t index, size_t total) override {
+    next_->handleBody(request, data, len, index, total);
+  }
+  bool isRequestHandlerTrivial() override { return next_->isRequestHandlerTrivial(); }
+
+ protected:
+  AsyncWebHandler *next_;
+};
+
+struct Credentials {
+  std::string username;
+  std::string password;
+};
+
+class AuthMiddlewareHandler : public MiddlewareHandler {
+ public:
+  AuthMiddlewareHandler(AsyncWebHandler *next, Credentials *credentials)
+      : MiddlewareHandler(next), credentials_(credentials) {}
+
+  bool check_auth(AsyncWebServerRequest *request) {
+    bool success = request->authenticate(credentials_->username.c_str(), credentials_->password.c_str());
+    if (!success) {
+      request->requestAuthentication();
+    }
+    return success;
+  }
+
+  void handleRequest(AsyncWebServerRequest *request) override {
+    if (!check_auth(request))
+      return;
+    MiddlewareHandler::handleRequest(request);
+  }
+  void handleUpload(AsyncWebServerRequest *request, const String &filename, size_t index, uint8_t *data, size_t len,
+                    bool final) override {
+    if (!check_auth(request))
+      return;
+    MiddlewareHandler::handleUpload(request, filename, index, data, len, final);
+  }
+  void handleBody(AsyncWebServerRequest *request, uint8_t *data, size_t len, size_t index, size_t total) override {
+    if (!check_auth(request))
+      return;
+    MiddlewareHandler::handleBody(request, data, len, index, total);
+  }
+
+ protected:
+  Credentials *credentials_;
+};
+
+}  // namespace internal
+
 class WebServerBase : public Component {
  public:
   void init() {
@@ -32,13 +96,10 @@ class WebServerBase : public Component {
   AsyncWebServer *get_server() const { return server_; }
   float get_setup_priority() const override;
 
-  void add_handler(AsyncWebHandler *handler) {
-    // remove all handlers
+  void set_auth_username(std::string auth_username) { credentials_.username = std::move(auth_username); }
+  void set_auth_password(std::string auth_password) { credentials_.password = std::move(auth_password); }
 
-    this->handlers_.push_back(handler);
-    if (this->server_ != nullptr)
-      this->server_->addHandler(handler);
-  }
+  void add_handler(AsyncWebHandler *handler);
 
   void add_ota_handler();
 
@@ -52,6 +113,7 @@ class WebServerBase : public Component {
   uint16_t port_{80};
   AsyncWebServer *server_{nullptr};
   std::vector<AsyncWebHandler *> handlers_;
+  internal::Credentials credentials_;
 };
 
 class OTARequestHandler : public AsyncWebHandler {
diff --git a/esphome/const.py b/esphome/const.py
index fb7250578c..f69f6e91da 100644
--- a/esphome/const.py
+++ b/esphome/const.py
@@ -1,6 +1,6 @@
 """Constants used by esphome."""
 
-__version__ = "2021.9.1"
+__version__ = "2021.9.2"
 
 ESP_PLATFORM_ESP32 = "ESP32"
 ESP_PLATFORM_ESP8266 = "ESP8266"
diff --git a/platformio.ini b/platformio.ini
index f4dea3fcb9..73d5595dcd 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -37,7 +37,7 @@ lib_deps =
     glmnet/Dsmr@0.3        ; used by dsmr
     rweather/Crypto@0.2.0  ; used by dsmr
     esphome/noise-c@0.1.1  ; used by api
-    dudanov/MideaUART@1.1.0  ; used by midea
+    dudanov/MideaUART@1.1.8  ; used by midea
 
 build_flags =
     -DESPHOME_LOG_LEVEL=ESPHOME_LOG_LEVEL_VERY_VERBOSE
diff --git a/requirements.txt b/requirements.txt
index 18752e16a3..bd90f31cbb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,4 +10,4 @@ platformio==5.2.0
 esptool==3.1
 click==7.1.2
 esphome-dashboard==20210908.0
-aioesphomeapi==9.0.0
+aioesphomeapi==9.1.1