diff --git a/setup.py b/setup.py
index bd8206135..2ba288f98 100644
--- a/setup.py
+++ b/setup.py
@@ -48,7 +48,7 @@ setup(
         'Topic :: Utilities',
     ],
     packages=find_packages(exclude=('tests',)),
-    python_requires='>=3.7',
+    python_requires='>=3.6',
     install_requires=REQUIRES,
     extras_require={
         'gui': (