diff --git a/setup.py b/setup.py
index 75d8b340e8ad98794a244f7e5da89e079870bd2b..92c16a0f5d03f84d87106b6ec9d25b95a00a5872 100644
--- a/setup.py
+++ b/setup.py
@@ -89,7 +89,7 @@ setup(name="loo.py",
           ],
 
       install_requires=[
-          "pytools>=2018.4",
+          "pytools>=2020.1",
           "pymbolic>=2019.2",
           "genpy>=2016.1.2",
           "cgen>=2016.1",