diff --git a/CHANGELOG b/CHANGELOG
index 37705e3..67bcb19 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -7,6 +7,7 @@ TBD
 * Remove dependency on terminaltables
 * Add psql_unicode table format
 * Add minimal table format
+* Fix pip2 installing py3-only versions
 
 Version 2.1.0
 -------------
diff --git a/docs/source/conf.py b/docs/source/conf.py
index ca242ff..cf99ea6 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -199,4 +199,4 @@
     "configobj": ("https://configobj.readthedocs.io/en/latest", None),
 }
 
-linkcheck_ignore = ['https://github.com/psf/black.*']
+linkcheck_ignore = ["https://github.com/psf/black.*"]
diff --git a/setup.py b/setup.py
index 6c1dd38..46fbdc8 100755
--- a/setup.py
+++ b/setup.py
@@ -42,6 +42,7 @@ def open_file(filename):
     extras_require={
         "styles": ["Pygments >= 1.6"],
     },
+    python_requires=">=3.6",
     classifiers=[
         "Intended Audience :: Developers",
         "License :: OSI Approved :: BSD License",