diff --git a/setupall.py b/setupall.py
index b52ec1d..c4db920 100644
--- a/setupall.py
+++ b/setupall.py
@@ -17,8 +17,8 @@ to libsodium.
 All modes require and install twisted.
 """
 
-if sys.version_info < (3, 3):
-    raise RuntimeError("This package requres Python 3.3+")
+if sys.version_info < (3, 6):
+    raise RuntimeError("This package requres Python 3.6+")
 
 def help():
     print("Usage: python setupall.py <mode>\n"