diff --git a/dev-requirements.txt b/dev-requirements.txt
index f50a7ad..f69ddf2 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -5,7 +5,7 @@ black==23.12.1
 django-browser-reload==1.12.1
 django-debug-toolbar
 types-requests
-mypy==1.8.0
+mypy==1.15.0
 wagtail-factories==4.1.0
 coverage==7.4.0
 djlint==1.34.1