diff --git a/setup.py b/setup.py
index 85636f0..cabcc20 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@
     long_description_content_type="text/markdown",
     install_requires=[
         "argparse",
-        "autopep8>=1.4.3",
+        "black>=23.10.0",
         "icdiff",
         "jsbeautifier",
         "pycodestyle==2.10.0",
@@ -40,6 +40,6 @@
         ]
     },
     url="https://github.com/cs50/style50",
-    version="2.8.2",
+    version="2.9.0",
     include_package_data=True,
 )
diff --git a/style50/languages.py b/style50/languages.py
index b7318f5..97b0c4c 100644
--- a/style50/languages.py
+++ b/style50/languages.py
@@ -3,7 +3,7 @@
 import sys
 from tokenize import generate_tokens, STRING, INDENT, COMMENT, TokenError
 
-import autopep8
+import black
 import jsbeautifier
 
 from . import StyleCheck, Error
@@ -66,9 +66,9 @@ def count_lines(self, code):
         """
         return len(code.splitlines())
 
-    # TODO: Determine which options (if any) should be passed to autopep8
+    # TODO: Determine which options (if any) should be passed to black
     def style(self, code):
-        return autopep8.fix_code(code, options={"max_line_length": 132, "ignore_local_config": True})
+        return black.format_str(code, mode=black.FileMode())
 
 
 class Js(C):