diff --git a/esphome/voluptuous_schema.py b/esphome/voluptuous_schema.py
index e2171cabed..9af6cb717c 100644
--- a/esphome/voluptuous_schema.py
+++ b/esphome/voluptuous_schema.py
@@ -64,7 +64,7 @@ class _Schema(vol.Schema):
 
         # Recursively compile schema
         _compiled_schema = {}
-        for skey, svalue in vol.iteritems(schema):
+        for skey, svalue in schema.items():
             new_key = self._compile(skey)
             new_value = self._compile(svalue)
             _compiled_schema[skey] = (new_key, new_value)
diff --git a/requirements.txt b/requirements.txt
index 878d2e8a50..aa97e23f9e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 async_timeout==4.0.3; python_version <= "3.10"
 cryptography==42.0.2
-voluptuous==0.14.1
+voluptuous==0.14.2
 PyYAML==6.0.1
 paho-mqtt==1.6.1
 colorama==0.4.6