diff --git a/requirements/dev.txt b/requirements/dev.txt
index af3f3a6a..c62d71db 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -1,6 +1,6 @@
 -r base.txt
 flake8==4.0.1
-mypy==0.930
+mypy==0.931
 mypy-extensions==0.4.3
 pyflakes==2.4.0
 pytest==6.2.5