diff --git a/setup.py b/setup.py
--- a/setup.py
+++ b/setup.py
@@ -72,7 +72,7 @@ requirements = [
     "paginate >= 0.5, < 0.6",
     "paginate_sqlalchemy >= 0.3.0, < 0.4",
     "bcrypt >= 3.1.0, < 3.2",
-    "pip >= 20.0, < 999",
+    "pip >= 20.0, < 24.1",
     "chardet >= 3",
 ]
 if sys.version_info < (3, 8):