diff --git a/dev-requirements.txt b/dev-requirements.txt
index 7c73067..4f2b0b4 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -5,7 +5,7 @@ black==23.3.0
 django-browser-reload==1.8.0
 django-debug-toolbar
 types-requests==2.31.0.1
-mypy==1.3.0
+mypy==1.5.1
 wagtail-factories==4.0.0
 coverage==7.2.1
 djlint==1.31.0