diff --git a/setup.py b/setup.py
index 804cf16128..ff833b7a5c 100644
--- a/setup.py
+++ b/setup.py
@@ -63,7 +63,7 @@ def read_requirements(filename):
     "PyYAML~=6.0",
     "jsonschema",
     "platformdirs",
-    "tblib==1.7.0",
+    "tblib>=1.7.0,<3",
     "urllib3<1.27",
     "uvicorn==0.22.0",
     "fastapi==0.95.2",