diff --git a/pyproject.toml b/pyproject.toml
index 5f74106..3a77494 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,7 +49,7 @@ windows = [
 dev = [
     "pytest>=7.0.0",
     "black>=23.0.0;python_version>='3.8'",
-    "black==23.3.0;python_version=='3.7'",  # Last version supporting Python 3.7
+    "black==25.9.0;python_version=='3.7'",  # Last version supporting Python 3.7
     "flake8>=5.0.0;python_version=='3.7'",  # Max version for Python 3.7
     "flake8>=6.0.0;python_version>='3.8'",
     "mypy>=1.0.0",
diff --git a/setup.py b/setup.py
index dbb3b6e..940064d 100644
--- a/setup.py
+++ b/setup.py
@@ -66,7 +66,7 @@ def get_long_description():
         'dev': [
             'pytest>=7.0.0',
             'black>=23.0.0;python_version>="3.8"',
-            'black==23.3.0;python_version=="3.7"',  # Last version supporting Python 3.7
+            'black==25.9.0;python_version=="3.7"',  # Last version supporting Python 3.7
             'flake8>=5.0.0;python_version=="3.7"',  # Max version for Python 3.7
             'flake8>=6.0.0;python_version>="3.8"',
             'mypy>=1.0.0',