diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index edcd18035..1e1c42f75 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,10 +1,10 @@
 repos:
 - repo: https://github.com/psf/black
-  rev: '22.3.0'
+  rev: '24.4.2'
   hooks:
     - id: black
 
 - repo: https://github.com/timothycrosley/isort
-  rev: '5.12.0'
+  rev: '5.13.2'
   hooks:
     - id: isort
diff --git a/requirements-dev.txt b/requirements-dev.txt
index a250d7919..6cad908ec 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -26,8 +26,8 @@ pre-commit>=2.16
 pytest>=4.1
 pytest-cov>=2.6
 
-black==23.7.0
+black==24.4.2
 build==0.5.1
 click==8.0.4
-isort==5.12.0
+isort==5.13.2
 tox==3.23.1
diff --git a/troposphere/__init__.py b/troposphere/__init__.py
index a9bb3cd95..f2797ac8f 100644
--- a/troposphere/__init__.py
+++ b/troposphere/__init__.py
@@ -83,18 +83,15 @@ def is_aws_object_subclass(cls: Any) -> bool:
 @overload
 def encode_to_dict(
     obj: Union[Dict[str, Any], JSONreprProtocol, ToDictProtocol]
-) -> Dict[str, Any]:
-    ...
+) -> Dict[str, Any]: ...
 
 
 @overload
-def encode_to_dict(obj: Union[List[Any], Tuple[Any]]) -> List[Dict[str, Any]]:
-    ...
+def encode_to_dict(obj: Union[List[Any], Tuple[Any]]) -> List[Dict[str, Any]]: ...
 
 
 @overload
-def encode_to_dict(obj: Optional[str]) -> Optional[str]:
-    ...
+def encode_to_dict(obj: Optional[str]) -> Optional[str]: ...
 
 
 def encode_to_dict(
diff --git a/troposphere/openstack/heat.py b/troposphere/openstack/heat.py
index c8f18056b..7da1abd41 100644
--- a/troposphere/openstack/heat.py
+++ b/troposphere/openstack/heat.py
@@ -7,6 +7,7 @@
 strings. For this reason, we duplicate the AWS::AutoScaling::AutoScalingGroup
 and change these types.
 """
+
 # Copyright (c) 2012-2013, Mark Peek <mark@peek.org>
 # Copyright (c) 2014, Andy Botting <andy.botting@theguardian.com>
 # All rights reserved.
diff --git a/troposphere/type_defs/compat.py b/troposphere/type_defs/compat.py
index efffe66f2..df0e26301 100644
--- a/troposphere/type_defs/compat.py
+++ b/troposphere/type_defs/compat.py
@@ -1,4 +1,5 @@
 """Type definition backward compatibility."""
+
 # flake8: noqa
 from __future__ import annotations
 
diff --git a/troposphere/type_defs/protocols.py b/troposphere/type_defs/protocols.py
index 0a1135032..da599b4b2 100644
--- a/troposphere/type_defs/protocols.py
+++ b/troposphere/type_defs/protocols.py
@@ -1,4 +1,5 @@
 """Protocols."""
+
 from __future__ import annotations
 
 from typing import Any, Dict
diff --git a/troposphere/validators/__init__.py b/troposphere/validators/__init__.py
index 646757218..fa42d7309 100644
--- a/troposphere/validators/__init__.py
+++ b/troposphere/validators/__init__.py
@@ -28,13 +28,11 @@
 
 
 @overload
-def boolean(x: Literal[True, 1, "true", "True"]) -> Literal[True]:
-    ...
+def boolean(x: Literal[True, 1, "true", "True"]) -> Literal[True]: ...
 
 
 @overload
-def boolean(x: Literal[False, 0, "false", "False"]) -> Literal[False]:
-    ...
+def boolean(x: Literal[False, 0, "false", "False"]) -> Literal[False]: ...
 
 
 def boolean(x: Any) -> bool: