diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 10c2b6e..5ddca5d 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -39,7 +39,7 @@ repos:
         language: python
         additional_dependencies: [pygments, restructuredtext_lint]
 -   repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v0.990
+    rev: v0.991
     hooks:
     -   id: mypy
         files: ^(src/|testing/)