diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index f8d82fb..4d0a1e7 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -38,6 +38,6 @@ repos:
     -   id: flake8
         exclude: ^identify/vendor/licenses\.py$
 -   repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v0.990
+    rev: v0.991
     hooks:
     -   id: mypy