diff --git a/pyproject.toml b/pyproject.toml
index ac49ed9c..e271bdff 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -57,5 +57,9 @@ extend-exclude = ["bench"]
 extend-select = [
     "B",
     "I",
+    "SIM",
     "UP",
 ]
+ignore = [
+    "SIM108",
+]
diff --git a/setup.py b/setup.py
index 3a55a00d..734e8b63 100644
--- a/setup.py
+++ b/setup.py
@@ -9,9 +9,11 @@
 from skbuild import setup
 
 # Blosc version
-VERSION = open("VERSION").read().strip()
+with open("VERSION") as f:
+    VERSION = f.read().strip()
 # Create the version.py file
-open("blosc2/version.py", "w").write(f'__version__ = "{VERSION}"\n')
+with open("blosc2/version.py", "w") as f:
+    f.write(f'__version__ = "{VERSION}"\n')
 
 
 def exclude_pkgconfig(cmake_manifest):