diff --git a/esphome/components/esp32_improv/__init__.py b/esphome/components/esp32_improv/__init__.py
index 26e586e4ff..c95d4075bc 100644
--- a/esphome/components/esp32_improv/__init__.py
+++ b/esphome/components/esp32_improv/__init__.py
@@ -56,7 +56,7 @@ async def to_code(config):
     cg.add(ble_server.register_service_component(var))
 
     cg.add_define("USE_IMPROV")
-    cg.add_library("esphome/Improv", "1.1.0")
+    cg.add_library("esphome/Improv", "1.2.0")
 
     cg.add(var.set_identify_duration(config[CONF_IDENTIFY_DURATION]))
     cg.add(var.set_authorized_duration(config[CONF_AUTHORIZED_DURATION]))
diff --git a/esphome/components/improv_serial/__init__.py b/esphome/components/improv_serial/__init__.py
index 4499bef1fd..4de4fe66a7 100644
--- a/esphome/components/improv_serial/__init__.py
+++ b/esphome/components/improv_serial/__init__.py
@@ -30,4 +30,4 @@ FINAL_VALIDATE_SCHEMA = validate_logger_baud_rate
 async def to_code(config):
     var = cg.new_Pvariable(config[CONF_ID])
     await cg.register_component(var, config)
-    cg.add_library("esphome/Improv", "1.1.0")
+    cg.add_library("esphome/Improv", "1.2.0")
diff --git a/esphome/components/improv_serial/improv_serial_component.cpp b/esphome/components/improv_serial/improv_serial_component.cpp
index b55855abf9..0dab71060c 100644
--- a/esphome/components/improv_serial/improv_serial_component.cpp
+++ b/esphome/components/improv_serial/improv_serial_component.cpp
@@ -24,6 +24,8 @@ void ImprovSerialComponent::setup() {
 
   if (wifi::global_wifi_component->has_sta()) {
     this->state_ = improv::STATE_PROVISIONED;
+  } else {
+    wifi::global_wifi_component->start_scanning();
   }
 }
 
@@ -152,6 +154,27 @@ bool ImprovSerialComponent::parse_improv_payload_(improv::ImprovCommand &command
       this->send_response_(info);
       return true;
     }
+    case improv::GET_WIFI_NETWORKS: {
+      std::vector<std::string> networks;
+      auto results = wifi::global_wifi_component->get_scan_result();
+      for (auto &scan : results) {
+        if (scan.get_is_hidden())
+          continue;
+        const std::string &ssid = scan.get_ssid();
+        if (std::find(networks.begin(), networks.end(), ssid) != networks.end())
+          continue;
+        // Send each ssid separately to avoid overflowing the buffer
+        std::vector<uint8_t> data = improv::build_rpc_response(
+            improv::GET_WIFI_NETWORKS, {ssid, str_sprintf("%d", scan.get_rssi()), YESNO(scan.get_with_auth())}, false);
+        this->send_response_(data);
+        networks.push_back(ssid);
+      }
+      // Send empty response to signify the end of the list.
+      std::vector<uint8_t> data =
+          improv::build_rpc_response(improv::GET_WIFI_NETWORKS, std::vector<std::string>{}, false);
+      this->send_response_(data);
+      return true;
+    }
     default: {
       ESP_LOGW(TAG, "Unknown Improv payload");
       this->set_error_(improv::ERROR_UNKNOWN_RPC);
diff --git a/esphome/components/improv_serial/improv_serial_component.h b/esphome/components/improv_serial/improv_serial_component.h
index 304afdaf75..c6b980ab99 100644
--- a/esphome/components/improv_serial/improv_serial_component.h
+++ b/esphome/components/improv_serial/improv_serial_component.h
@@ -32,7 +32,7 @@ class ImprovSerialComponent : public Component {
   void loop() override;
   void dump_config() override;
 
-  float get_setup_priority() const override { return setup_priority::HARDWARE; }
+  float get_setup_priority() const override { return setup_priority::AFTER_WIFI; }
 
  protected:
   bool parse_improv_serial_byte_(uint8_t byte);
diff --git a/platformio.ini b/platformio.ini
index e7bf848f1b..927d58cb89 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -35,7 +35,7 @@ build_flags =
 lib_deps =
     esphome/noise-c@0.1.4                  ; api
     makuna/NeoPixelBus@2.6.9               ; neopixelbus
-    esphome/Improv@1.1.0                   ; improv_serial / esp32_improv
+    esphome/Improv@1.2.0                   ; improv_serial / esp32_improv
     bblanchon/ArduinoJson@6.18.5           ; json
     wjtje/qr-code-generator-library@1.7.0  ; qr_code
 build_flags =