diff --git a/pyproject.toml b/pyproject.toml
index 1c1bbe9..69d15de 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ lint = [
     "mypy-extensions==1.0.0",
     "tomli==2.0.1",
     "typing_extensions==4.7.1",
-    "black==23.3.0",
+    "black==23.12.1",
     "click==8.1.3",
     "packaging==23.2",
     "pathspec==0.11.1",
diff --git a/requirements.txt b/requirements.txt
index 2943d55..941f4b9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ babel==2.13.1
     # via sphinx
 backcall==0.2.0
     # via ipython
-black==23.3.0
+black==23.12.1
     # via py-cptcore (pyproject.toml)
 certifi==2023.7.22
     # via requests