diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index a7404a8..74de3b2 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -11,8 +11,8 @@ repos:
           - id: check-added-large-files
             args: ["--maxkb=500"]
 
-    - repo: https://github.com/psf/black
-      rev: 25.1.0
+    - repo: https://github.com/psf/black-pre-commit-mirror
+      rev: 26.1.0
       hooks:
           - id: black-jupyter
 
@@ -27,6 +27,6 @@ repos:
                 ]
 
     - repo: https://github.com/kynan/nbstripout
-      rev: 0.8.1
+      rev: 0.9.0
       hooks:
           - id: nbstripout
diff --git a/tests/test_mapwidget.py b/tests/test_mapwidget.py
index 881cceb..0511109 100644
--- a/tests/test_mapwidget.py
+++ b/tests/test_mapwidget.py
@@ -2,7 +2,6 @@
 
 """Tests for `mapwidget` package."""
 
-
 import unittest
 
 from mapwidget import leaflet