diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 33116e7..7a25a74 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -32,7 +32,7 @@ repos:
     hooks:
       - id: pyupgrade
   - repo: https://github.com/psf/black
-    rev: 23.12.1
+    rev: 24.1.1
     hooks:
       - id: black
   - repo: https://github.com/pre-commit/mirrors-prettier
diff --git a/tests/test_hash_trie_map.py b/tests/test_hash_trie_map.py
index 9f7a822..2f93311 100644
--- a/tests/test_hash_trie_map.py
+++ b/tests/test_hash_trie_map.py
@@ -26,6 +26,7 @@
     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     OTHER DEALINGS IN THE SOFTWARE.
 """
+
 from collections import abc
 from operator import methodcaller
 import pickle
diff --git a/tests/test_hash_trie_set.py b/tests/test_hash_trie_set.py
index 4e607ff..791c941 100644
--- a/tests/test_hash_trie_set.py
+++ b/tests/test_hash_trie_set.py
@@ -26,6 +26,7 @@
     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     OTHER DEALINGS IN THE SOFTWARE.
 """
+
 from collections import abc
 import pickle
 
diff --git a/tests/test_list.py b/tests/test_list.py
index 09ac5cc..ad0864d 100644
--- a/tests/test_list.py
+++ b/tests/test_list.py
@@ -26,6 +26,7 @@
     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     OTHER DEALINGS IN THE SOFTWARE.
 """
+
 import pickle
 
 import pytest
diff --git a/tests/test_queue.py b/tests/test_queue.py
index 4dfde8f..402145e 100644
--- a/tests/test_queue.py
+++ b/tests/test_queue.py
@@ -26,6 +26,7 @@
     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     OTHER DEALINGS IN THE SOFTWARE.
 """
+
 import pytest
 
 from rpds import Queue