diff --git a/my_modules/app/setup.py b/my_modules/app/setup.py
index 1ec081b..b9d0208 100644
--- a/my_modules/app/setup.py
+++ b/my_modules/app/setup.py
@@ -61,6 +61,7 @@ if os.getenv("VALKEY_HOST", None) is not None:
       db=os.getenv('VALKEY_DB', 0),
       decode_responses=True,
     ),
+    SESSION_REDIS_JSON=True,
   )
 else:
   app.config.from_mapping(