diff --git a/setup.py b/setup.py
index 67d943af3be4446834bf7262a91b8596b601ca85..85ab2ad7dd5880293583ad1f9e90ee9a9152f8f6 100644
--- a/setup.py
+++ b/setup.py
@@ -43,6 +43,7 @@ setup(name="loo.py",
           "cgen>=2016.1",
           "islpy>=2016.2",
           "six>=1.8.0",
+          "codepy>=2013.1.2",
           "colorama",
           "Mako",
           ],