diff --git a/setup.py b/setup.py
index 490850ad6203..85ea74286e75 100644
--- a/setup.py
+++ b/setup.py
@@ -322,7 +322,7 @@ def make_release_tree(self, base_dir, files):
         "cycler>=0.10",
         "fonttools>=4.22.0",
         "kiwisolver>=1.0.1",
-        "numpy>=1.20",
+        "numpy>=1.20,<2",
         "packaging>=20.0",
         "pillow>=6.2.0",
         "pyparsing>=2.3.1",