diff --git a/requirements.txt b/requirements.txt
index db8d0b1..98c623d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,5 @@
-setuptools<45                  ; python_version < "3"
-setuptools>=70.0.0             ; python_version >= "3"
+setuptools>=70.0.0
 PyYAML==6.0.1
-enum34==1.0.4                  ; python_version < "3.4"
 stdlib-list>=0.6.0
 tomlkit>=0.7.0
 coverage>=5.5
diff --git a/setup.py b/setup.py
index 29b4ec9..f42521c 100644
--- a/setup.py
+++ b/setup.py
@@ -36,8 +36,8 @@ def run_tests(self):
     name='pydeps',
     version=version,
     packages=setuptools.find_packages(exclude=['tests*']),
+    python_requires=">=3.6",
     install_requires=[
-        'enum34; python_version < "3.4"',
         'stdlib_list',
     ],
     long_description=io.open('README.rst', encoding='utf8').read(),