diff --git a/setup.py b/setup.py
index a4b4c0ef..fc3cfa91 100644
--- a/setup.py
+++ b/setup.py
@@ -41,7 +41,8 @@ def readme():
     install_requires=[
         "cryptojwt>=1.8.2,<1.9",
         "qrcode>=7.4.2,<7.5",
-        "pydantic>=2.0,<2.2"
+        "pydantic>=2.0,<2.2",
+        "pymongo>=4.4.1,<4.5"
     ],
     extra_require={
         "satosa": [