diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 415540bc..bb212463 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,19 +1,19 @@
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v5.0.0
+    rev: v6.0.0
     hooks:
       - id: check-added-large-files
       - id: trailing-whitespace
       - id: end-of-file-fixer
       - id: mixed-line-ending
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: "v0.9.9"
+    rev: "v0.14.7"
     hooks:
       - id: ruff
         args: ["--fix"]
       - id: ruff-format
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: "v1.15.0"
+    rev: "v1.19.0"
     hooks:
       - id: mypy
         additional_dependencies: ["types-PyYAML", "types-setuptools"]
diff --git a/unidep/_conda_env.py b/unidep/_conda_env.py
index 6f08448b..6140e03a 100644
--- a/unidep/_conda_env.py
+++ b/unidep/_conda_env.py
@@ -52,7 +52,7 @@ def _conda_sel(sel: str) -> CondaPlatform:
     """Return the allowed `sel(platform)` string."""
     _platform = sel.split("-", 1)[0]
     assert _platform in get_args(CondaPlatform), f"Invalid platform: {_platform}"
-    return cast(CondaPlatform, _platform)
+    return cast("CondaPlatform", _platform)
 
 
 def _extract_conda_pip_dependencies(
@@ -196,7 +196,7 @@ def create_conda_env_specification(  # noqa: PLR0912
                     # other with [win].
                     for _platform in _platforms:
                         pip_deps.append(dep_str)
-                        _add_comment(pip_deps, cast(Platform, _platform))
+                        _add_comment(pip_deps, cast("Platform", _platform))
             else:
                 pip_deps.append(dep_str)
 
diff --git a/unidep/_conda_lock.py b/unidep/_conda_lock.py
index 07c52a84..d1e5d6d1 100644
--- a/unidep/_conda_lock.py
+++ b/unidep/_conda_lock.py
@@ -363,7 +363,7 @@ def _conda_lock_subpackage(
     yaml.representer.ignore_aliases = lambda *_: True  # Disable anchors
     conda_lock_output = file.parent / "conda-lock.yml"
     metadata = {
-        "content_hash": {p: "unidep-is-awesome" for p in platforms},
+        "content_hash": dict.fromkeys(platforms, "unidep-is-awesome"),
         "channels": [{"url": c, "used_env_vars": []} for c in channels],
         "platforms": platforms,
         "sources": [str(file)],
diff --git a/unidep/_dependencies_parsing.py b/unidep/_dependencies_parsing.py
index c217f13b..4ca8bfa1 100644
--- a/unidep/_dependencies_parsing.py
+++ b/unidep/_dependencies_parsing.py
@@ -230,7 +230,7 @@ def _normalize_local_dependency_use(use_value: str | None) -> LocalDependencyUse
         options = ", ".join(sorted(valid))
         msg = f"Invalid `use` value `{use_value}`. Supported values: {options}."
         raise ValueError(msg)
-    return cast(LocalDependencyUse, normalized)
+    return cast("LocalDependencyUse", normalized)
 
 
 def get_local_dependencies(data: dict[str, Any]) -> list[LocalDependency]:
diff --git a/unidep/_setuptools_integration.py b/unidep/_setuptools_integration.py
index c0d7c868..d48eaa1d 100755
--- a/unidep/_setuptools_integration.py
+++ b/unidep/_setuptools_integration.py
@@ -223,7 +223,7 @@ class SetupVisitor(ast.NodeVisitor):
         def __init__(self) -> None:
             self.package_name = None
 
-        def visit_Call(self, node: ast.Call) -> None:  # noqa: N802
+        def visit_Call(self, node: ast.Call) -> None:
             if isinstance(node.func, ast.Name) and node.func.id == "setup":
                 for keyword in node.keywords:
                     if keyword.arg == "name":
diff --git a/unidep/platform_definitions.py b/unidep/platform_definitions.py
index a4151c31..07197124 100644
--- a/unidep/platform_definitions.py
+++ b/unidep/platform_definitions.py
@@ -106,7 +106,7 @@ def platforms_from_selector(selector: str) -> list[Platform]:
     # https://github.com/conda/conda-lock/blob/3d2bf356e2cf3f7284407423f7032189677ba9be/conda_lock/src_parser/selectors.py
     platforms: set[Platform] = set()
     for s in selector.split():
-        s = cast(Selector, s)
+        s = cast("Selector", s)
         platforms |= set(PLATFORM_SELECTOR_MAP_REVERSE[s])
     return sorted(platforms)
 
diff --git a/unidep/utils.py b/unidep/utils.py
index c7829612..2c2263a7 100644
--- a/unidep/utils.py
+++ b/unidep/utils.py
@@ -166,7 +166,7 @@ def parse_package_str(package_str: str) -> ParsedPackageStr:
 
         if selector is not None:
             for s in selector.split():
-                validate_selector(cast(Selector, s))
+                validate_selector(cast("Selector", s))
 
         return ParsedPackageStr(
             package_name,
@@ -222,7 +222,7 @@ def selector_from_comment(comment: str) -> str | None:
         return None
     selectors = m.group(1).strip().split()
     for s in selectors:
-        validate_selector(cast(Selector, s))
+        validate_selector(cast("Selector", s))
     return " ".join(selectors)