diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 7bc839b8..706f4d2e 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -9,7 +9,7 @@ ci:
 
 repos:
   - repo: https://github.com/commitizen-tools/commitizen
-    rev: v4.13.10
+    rev: v4.15.1
     hooks:
       - id: commitizen
         stages: [commit-msg]
@@ -54,7 +54,7 @@ repos:
     hooks:
       - id: flake8
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v1.20.2
+    rev: v2.0.0
     hooks:
       - id: mypy
         additional_dependencies: [ifaddr]
diff --git a/tests/test_exceptions.py b/tests/test_exceptions.py
index ab181db1..94a407c1 100644
--- a/tests/test_exceptions.py
+++ b/tests/test_exceptions.py
@@ -24,7 +24,7 @@ def teardown_module():
 
 
 class Exceptions(unittest.TestCase):
-    browser = None  # type: Zeroconf
+    browser: Zeroconf
 
     @classmethod
     def setUpClass(cls):