diff --git a/setup.py b/setup.py
index f68ea9fec..0ae19f06e 100644
--- a/setup.py
+++ b/setup.py
@@ -26,7 +26,7 @@
     "python-dateutil>=2.8.0",
     "websocket-client>=1.5.1",
     "ibm-platform-services>=0.22.6",
-    "pydantic",
+    "pydantic>=2.5.0",
     "qiskit>=1.1.0",
 ]