diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 62df342..78f5083 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -22,25 +22,25 @@ repos:
         args: [--markdown-linebreak-ext=md]
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: "v0.13.3"
+    rev: "v0.16.10"
     hooks:
       - id: ruff
         args: ["--fix-only", "--target-version=py38"]
 
   - repo: https://github.com/psf/black-pre-commit-mirror
-    rev: 25.9.0
+    rev: 26.10.0
     hooks:
       - id: black
         args: ["--target-version=py38"]
 
   - repo: https://github.com/pycqa/isort
-    rev: 6.1.0
+    rev: 9.0.2
     hooks:
       - id: isort
         args: ["--profile", "black", "--filter-files"]
 
   - repo: https://github.com/asottile/pyupgrade
-    rev: v3.20.0
+    rev: v3.21.2
     hooks:
       - id: pyupgrade
         args:
diff --git a/src/rok4/enums.py b/src/rok4/enums.py
index 8ca58ba..cc4bd1e 100644
--- a/src/rok4/enums.py
+++ b/src/rok4/enums.py
@@ -1,4 +1,4 @@
-#! python3  # noqa: E265
+#! python3
 
 # standard lib
 from enum import Enum
diff --git a/src/rok4/raster.py b/src/rok4/raster.py
index f6f71fe..d8b3386 100644
--- a/src/rok4/raster.py
+++ b/src/rok4/raster.py
@@ -253,14 +253,10 @@ def from_list(cls, path: str, srs: str) -> "RasterSet":
             if bbox == [None, None, None, None]:
                 bbox = list(raster.bbox)
             else:
-                if bbox[0] > raster.bbox[0]:
-                    bbox[0] = raster.bbox[0]
-                if bbox[1] > raster.bbox[1]:
-                    bbox[1] = raster.bbox[1]
-                if bbox[2] < raster.bbox[2]:
-                    bbox[2] = raster.bbox[2]
-                if bbox[3] < raster.bbox[3]:
-                    bbox[3] = raster.bbox[3]
+                bbox[0] = min(bbox[0], raster.bbox[0])
+                bbox[1] = min(bbox[1], raster.bbox[1])
+                bbox[2] = max(bbox[2], raster.bbox[2])
+                bbox[3] = max(bbox[3], raster.bbox[3])
 
             # Inventaire des colors distinctes
             self.colors.add((raster.bands, raster.format))
diff --git a/src/rok4/storage.py b/src/rok4/storage.py
index b00c31f..d2709a2 100644
--- a/src/rok4/storage.py
+++ b/src/rok4/storage.py
@@ -101,8 +101,7 @@
 
 try:
     __LRU_TTL = int(os.environ["ROK4_READING_LRU_CACHE_TTL"])
-    if __LRU_TTL < 0:
-        __LRU_TTL = 0
+    __LRU_TTL = max(__LRU_TTL, 0)
 except ValueError:
     pass
 except KeyError:
diff --git a/tests/test_raster.py b/tests/test_raster.py
index af1543e..3c9d173 100644
--- a/tests/test_raster.py
+++ b/tests/test_raster.py
@@ -340,7 +340,7 @@ def test_ok_at_least_3_files(self, m_from_file, m_copy):
             assert math.isclose(serial_out["bbox"][i], serial_in["bbox"][i], rel_tol=1e-5)
         assert len(rasterset.colors) > 0
         assert rasterset.colors == colors
-        for key in serial_in.keys():
+        for key in serial_in:
             if key != "bbox":
                 assert serial_out[key] == serial_in[key]
         assert isinstance(serial_out["bbox"], list)
@@ -419,7 +419,7 @@ def test_simple_ok(self, m_from_parameters, m_get_data_str):
         for i in range(0, 4, 1):
             assert math.isclose(rasterset.bbox[i], serial_in["bbox"][i], rel_tol=1e-5)
             assert math.isclose(serial_out["bbox"][i], serial_in["bbox"][i], rel_tol=1e-5)
-        for key in serial_in.keys():
+        for key in serial_in:
             if key != "bbox":
                 assert serial_out[key] == serial_in[key]