diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 58856e6..391a590 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -4,18 +4,18 @@
 
 repos:
   - repo: https://github.com/fsfe/reuse-tool
-    rev: v4.0.3
+    rev: v6.2.0
     hooks:
       - id: reuse
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v5.0.0
+    rev: v6.0.0
     hooks:
       - id: check-yaml
       - id: end-of-file-fixer
       - id: trailing-whitespace
   - repo: https://github.com/astral-sh/ruff-pre-commit
     # Ruff version.
-    rev: v0.7.1
+    rev: v0.16.4
     hooks:
       # Run the linter.
       - id: ruff
@@ -24,6 +24,6 @@ repos:
       # Run the formatter.
       - id: ruff-format
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v1.13.0
+    rev: v2.3.1
     hooks:
     - id: mypy
diff --git a/pyproject.toml b/pyproject.toml
index fdbe19a..3ab729e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -46,6 +46,10 @@ optional-dependencies = {optional = {file = ["optional_requirements.txt"]}}
 
 [tool.ruff.lint]
 select = ["ALL"]
+ignore = [
+    "PYI063", # CircuitPython does not support PEP484
+    "CPY001", # don't want to add copyright headers
+]
 
-[tool.ruff.extend-per-file-ignores]
+[tool.ruff.lint.extend-per-file-ignores]
 "tests.py" = ["PT"]
diff --git a/toml/__init__.py b/toml/__init__.py
index e1d69e2..ae4acbd 100644
--- a/toml/__init__.py
+++ b/toml/__init__.py
@@ -12,8 +12,8 @@
 
 __all__ = [
     "TOMLError",
-    "loads",
-    "load",
-    "dumps",
     "dump",
+    "dumps",
+    "load",
+    "loads",
 ]
diff --git a/toml/_dotty.py b/toml/_dotty.py
index 4e391dc..8ece6ac 100644
--- a/toml/_dotty.py
+++ b/toml/_dotty.py
@@ -161,3 +161,6 @@ def __delitem__(self, __key: object) -> None:
         # if table is empty after that, remove it too
         if len(table) == 0 and parent_table:
             parent_table.pop(keys[-1])
+
+    def __hash__(self) -> int:
+        return hash(self.data)
diff --git a/toml/_toml.py b/toml/_toml.py
index 9b400fa..b2c4e7e 100644
--- a/toml/_toml.py
+++ b/toml/_toml.py
@@ -330,7 +330,7 @@ def try_int(cls, string: str) -> int | None:
                 "b": 2,
                 "o": 8,
                 "x": 16,
-            }.get(string[1], None)
+            }.get(string[1])
 
             if base is None:
                 msg = "Invalid number."