diff --git a/setup.py b/setup.py
index cd511ff..54e6fdc 100644
--- a/setup.py
+++ b/setup.py
@@ -1,45 +1,47 @@
 """
 Py-Tree-sitter
 """
 
 
 from setuptools import setup, Extension
 
 
 setup(
     name = "tree_sitter",
     version = "0.0.1",
     maintainer = "Max Brunsfeld",
     maintainer_email = "maxbrunsfeld@gmail.com",
     author = "Max Brunsfeld",
     author_email = "maxbrunsfeld@gmail.com",
     url = "https://github.com/tree-sitter/py-tree-sitter",
     license = "MIT",
     platforms = ["any"],
-    python_requires = ">=2.7",
+    python_requires = ">=3.3",
     description = "Python bindings to the Tree-sitter parsing library",
     classifiers = [
-        "Topic :: Parsing",
+        "License :: OSI Approved :: MIT License",
+        "Topic :: Software Development :: Compilers",
+        "Topic :: Text Processing :: Linguistic",
     ],
     packages = ['tree_sitter'],
     ext_modules = [
         Extension(
             "tree_sitter_binding",
             [
                 "tree_sitter/core/lib/src/lib.c",
                 "tree_sitter/binding.c",
             ],
             include_dirs = [
                 "tree_sitter/core/lib/include",
                 "tree_sitter/core/lib/utf8proc",
             ],
             extra_compile_args = [
                 "-std=c99",
             ],
         )
     ],
     project_urls = {
         'Source': 'https://github.com/tree-sitter/py-tree-sitter',
         'Documentation': 'http://initd.org/psycopg/docs/',
     }
 )