diff --git a/dev-requirements.txt b/dev-requirements.txt
index 78a09b3..ae45aed 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -7,7 +7,7 @@ black==22.10.0
 django-browser-reload==1.6.0
 django-debug-toolbar==3.7.0
 types-requests==2.28.5
-mypy==0.982
+mypy==0.990
 wagtail-factories==3.1.0
 coverage==6.5.0
 flake8-bugbear==22.10.27