diff --git a/.gitignore b/.gitignore
index 48ce80b..7051739 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,9 @@
 
 .idea
 __pycache__
+
+# Build artifacts
+*.egg-info/
+*.so
+build/
+dist/
diff --git a/setup.py b/setup.py
index a970d94..4a0c6b7 100644
--- a/setup.py
+++ b/setup.py
@@ -10,11 +10,19 @@
     author_email = 'brendandg@gatech.edu',
     url = 'https://github.com/moyix/pdbparse/',
     packages = ['pdbparse'],
-    install_requires = ['construct>=2.9', 'construct<2.10', 'pefile'],
+    install_requires = ['construct>=2.9', 'pefile'],
     classifiers = [
         'License :: OSI Approved :: GNU General Public License (GPL)',
         'Operating System :: OS Independent',
+        'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
+        'Programming Language :: Python :: 3.10',
+        'Programming Language :: Python :: 3.11',
+        'Programming Language :: Python :: 3.12',
+        'Programming Language :: Python :: 3.13',
     ],
+    python_requires='>=3.8',
     ext_modules = [Extension('pdbparse._undname', sources = ['src/undname.c', 'src/undname_py.c'])],
     include_package_data=True,
     scripts = [