diff --git a/dev-requirements.txt b/dev-requirements.txt
index 3a7a83b..885e902 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -7,7 +7,7 @@ black==23.3.0
 django-browser-reload==1.8.0
 django-debug-toolbar
 types-requests==2.31.0.1
-mypy==1.3.0
+mypy==1.4.1
 wagtail-factories==4.0.0
 coverage==7.2.1
 flake8-bugbear==22.12.6