diff --git a/app/requirements.txt b/app/requirements.txt
index 069495d..2462c05 100644
--- a/app/requirements.txt
+++ b/app/requirements.txt
@@ -1,7 +1,7 @@
 click==8.0.1
 Flask==2.0.1
 Flask-SQLAlchemy==2.5.1
-hazelcast-python-client==4.2
+hazelcast-python-client==5.2.0
 itsdangerous==2.0.1
 Jinja2==3.0.1
 jsonpickle==2.0.0