diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 08c218a2..3497b7f3 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,7 +1,7 @@
 repos:
 
 - repo: https://github.com/pre-commit/pre-commit-hooks
-  rev: v4.1.0
+  rev: v4.2.0
   hooks:
   - id: check-case-conflict
   - id: check-merge-conflict
@@ -14,7 +14,7 @@ repos:
   - id: trailing-whitespace
 
 - repo: https://github.com/asottile/pyupgrade
-  rev: v2.31.1
+  rev: v2.32.0
   hooks:
   - id: pyupgrade
     name: PyUpgrade 3.6+
diff --git a/cibuildwheel/environment.py b/cibuildwheel/environment.py
index ba66d6e2..3bf982d2 100644
--- a/cibuildwheel/environment.py
+++ b/cibuildwheel/environment.py
@@ -51,7 +51,6 @@ class EnvironmentAssignment(Protocol):
         executor: Optional[bashlex_eval.EnvironmentExecutor] = None,
     ) -> str:
         """Returns the value of this assignment, as evaluated in the environment"""
-        ...
 
 
 class EnvironmentAssignmentRaw:
diff --git a/setup.cfg b/setup.cfg
index 36daa02d..6e0307fa 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -56,8 +56,8 @@ console_scripts =
 cibuildwheel = resources/*
 
 [flake8]
-ignore = E501,W503,E741,E226,B950,E203
-select = C,E,F,W,B,B9
+extend-ignore = E203,E501,B950
+extend-select = B,B9
 application-import-names = cibuildwheel
 exclude =
     cibuildwheel/resources/,