diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 36c148a..6e146bf 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,6 @@
 repos:
 -   repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v2.3.0
+    rev: v4.4.0
     hooks:
     -   id: check-yaml
     -   id: end-of-file-fixer
@@ -8,7 +8,7 @@ repos:
 
 
 -   repo: https://github.com/psf/black
-    rev: 22.12.0
+    rev: 23.3.0
     hooks:
     -   id: black
 
@@ -19,7 +19,7 @@ repos:
         args: ["--py38-plus"]
 
 -   repo: https://github.com/hadialqattan/pycln
-    rev: "v2.1.2"
+    rev: "v2.1.3"
     hooks:
       - id: pycln
         args: [--config=pyproject.toml]
@@ -27,7 +27,7 @@ repos:
 
 
 -   repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v0.991
+    rev: v1.1.1
     hooks:
      -  id: mypy
         files: ".+.py"
diff --git a/pgeocode.py b/pgeocode.py
index 2670580..69f0911 100644
--- a/pgeocode.py
+++ b/pgeocode.py
@@ -202,7 +202,6 @@ class Nominatim:
     """
 
     def __init__(self, country: str = "fr", unique: bool = True):
-
         country = country.upper()
         if country not in COUNTRIES_VALID:
             raise ValueError(
@@ -259,7 +258,6 @@ def _index_postal_codes(self) -> pd.DataFrame:
                 data_path_unique, dtype={"postal_code": str}
             )
         else:
-
             # group together places with the same postal code
             df_unique_cp_group = self._data.groupby("postal_code")
             data_unique = df_unique_cp_group[["latitude", "longitude"]].mean()
diff --git a/test_pgeocode.py b/test_pgeocode.py
index 72f5003..7ba37bb 100644
--- a/test_pgeocode.py
+++ b/test_pgeocode.py
@@ -133,7 +133,6 @@ def test_nominatim_all_countries(country):
 
 
 def test_nominatim_distance_postal_code():
-
     gdist = GeoDistance("fr")
 
     dist = gdist.query_postal_code("91120", "91120")