diff --git a/README.md b/README.md
index 5febe5d..dde483e 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ It contains a substantial, but partial, data-set. Additionally it is throttled a
 
 ### Python versions
 
-Requires at least Python 3.3, you can download the latest version from [www.python.org](http://www.python.org)
+Supports Python 3.3 to 3.10, you can download the latest version from [www.python.org](http://www.python.org)
 
 ### Installation
 
diff --git a/setup.py b/setup.py
index ac41669..d983987 100755
--- a/setup.py
+++ b/setup.py
@@ -44,5 +44,5 @@
         "Topic :: Scientific/Engineering :: Bio-Informatics",
     ],
     install_requires=installation_requirements,
-    python_requires=">=3.3",
+    python_requires=">=3.3,<3.11",
 )