diff --git a/esphome/components/mdns/__init__.py b/esphome/components/mdns/__init__.py
index 4776bef22..1daac93a2 100644
--- a/esphome/components/mdns/__init__.py
+++ b/esphome/components/mdns/__init__.py
@@ -165,7 +165,7 @@ async def to_code(config):
             cg.add_library("LEAmDNS", None)
 
     if CORE.using_esp_idf:
-        add_idf_component(name="espressif/mdns", ref="1.8.2")
+        add_idf_component(name="espressif/mdns", ref="1.9.1")
 
     cg.add_define("USE_MDNS")
 
diff --git a/esphome/idf_component.yml b/esphome/idf_component.yml
index fcb3a4f43..b27b6b8ed 100644
--- a/esphome/idf_component.yml
+++ b/esphome/idf_component.yml
@@ -4,7 +4,7 @@ dependencies:
   espressif/esp32-camera:
     version: 2.1.1
   espressif/mdns:
-    version: 1.8.2
+    version: 1.9.1
   espressif/esp_wifi_remote:
     version: 1.1.5
     rules: