diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index cff5546d4..f836f2aab 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -58,7 +58,7 @@ repos:
     hooks:
     -   id: python-use-type-annotations
 -   repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v0.990
+    rev: v0.991
     hooks:
     -   id: mypy
         files: ^(src/|testing/)