diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index be4b16d61..dc3717204 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -42,12 +42,12 @@ repos:
     -   id: setup-cfg-fmt
         # TODO: when upgrading setup-cfg-fmt this can be removed
         args: [--max-py-version=3.9]
-        #-   repo: https://github.com/pre-commit/mirrors-mypy
-        #rev: v0.780  # NOTE: keep this in sync with setup.cfg.
-        #hooks:
-        #-   id: mypy
-        #files: ^(src/|testing/)
-        #args: []
+-   repo: https://github.com/pre-commit/mirrors-mypy
+    rev: v0.780  # NOTE: keep this in sync with setup.cfg.
+    hooks:
+    -   id: mypy
+        files: ^(src/|testing/)
+        args: []
 -   repo: local
     hooks:
     -   id: rst