diff --git a/pyproject.toml b/pyproject.toml
index 0f81ebb..8c161ee 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -47,7 +47,7 @@ keywords = []
 
 [project.optional-dependencies]
 dev = [
-    "black>=22.0,<23.4",  # A deterministic code formatter
+    "black>=22.0,<23.10",  # A deterministic code formatter
     "isort>=5.0,<5.13",  # Standardized import sorting
     "tox>=3.20,<4.7",  # Python test environment manager
     "twine>=3.3,<4.1",  # Used to make releases to PyPI