diff --git a/dev-requirements.txt b/dev-requirements.txt
index e555fd0..ad5c95c 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -5,7 +5,7 @@ black==23.7.0
 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==7.3.0
 djlint==1.31.0