diff --git a/setup.py b/setup.py
index 91c87d5a..34c01ea8 100755
--- a/setup.py
+++ b/setup.py
@@ -31,7 +31,8 @@
     platforms='any',
     install_requires=[
         'Flask>=0.10',
-        'SQLAlchemy>=0.8.0'
+        'SQLAlchemy>=0.8.0; python_version>="2.7"',
+        'SQLAlchemy<1.2; python_version<"2.7"',
     ],
     test_suite='test_sqlalchemy.suite',
     classifiers=[