diff --git a/dash/_pages.py b/dash/_pages.py
index 22b7cecb4a..19c2c535f5 100644
--- a/dash/_pages.py
+++ b/dash/_pages.py
@@ -17,7 +17,7 @@
 from ._utils import AttributeDict, get_root_path
 
 CONFIG = AttributeDict()
-PAGE_REGISTRY = collections.OrderedDict()
+PAGE_REGISTRY: collections.OrderedDict = collections.OrderedDict()
 
 
 def _infer_image(module):
diff --git a/requirements/ci.txt b/requirements/ci.txt
index a50b0af312..f948d4dabb 100644
--- a/requirements/ci.txt
+++ b/requirements/ci.txt
@@ -23,4 +23,4 @@ pytest-rerunfailures
 pytest-timeout
 jupyterlab<4.0.0
 pyright==1.1.414
-mypy==1.15.0
+mypy==2.4.0