diff --git a/mypy.ini b/mypy.ini
index 8e675ff6481..ce51adc3816 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -11,12 +11,11 @@ follow_imports = normal
 local_partial_types = true
 strict_equality = true
 no_implicit_optional = true
-report_deprecated_as_error = true
 warn_incomplete_stub = true
 warn_redundant_casts = true
 warn_unused_configs = true
 warn_unused_ignores = true
-enable_error_code = ignore-without-code, redundant-self, truthy-iterable
+enable_error_code = deprecated, ignore-without-code, redundant-self, truthy-iterable
 disable_error_code = annotation-unchecked, import-not-found, import-untyped
 extra_checks = false
 check_untyped_defs = true
diff --git a/requirements_test.txt b/requirements_test.txt
index 2370bed8986..1725624a8cd 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -12,7 +12,7 @@ coverage==7.6.8
 freezegun==1.5.1
 license-expression==30.4.0
 mock-open==1.4.0
-mypy-dev==1.14.0a5
+mypy-dev==1.14.0a6
 pre-commit==4.0.0
 pydantic==1.10.19
 pylint==3.3.1
diff --git a/script/hassfest/mypy_config.py b/script/hassfest/mypy_config.py
index 25fe875e437..ec4d4b3d3a9 100644
--- a/script/hassfest/mypy_config.py
+++ b/script/hassfest/mypy_config.py
@@ -43,13 +43,13 @@ GENERAL_SETTINGS: Final[dict[str, str]] = {
     "local_partial_types": "true",
     "strict_equality": "true",
     "no_implicit_optional": "true",
-    "report_deprecated_as_error": "true",
     "warn_incomplete_stub": "true",
     "warn_redundant_casts": "true",
     "warn_unused_configs": "true",
     "warn_unused_ignores": "true",
     "enable_error_code": ", ".join(  # noqa: FLY002
         [
+            "deprecated",
             "ignore-without-code",
             "redundant-self",
             "truthy-iterable",