diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index aec1c8e..6536940 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -15,7 +15,7 @@ dependencies = [
     "django-filter>=23.0,<25.0",
     "drf-spectacular>=0.27,<1.0",
     "psycopg2-binary>=2.9,<3.0",
-    "redis>=5.0,<6.0",
+    "redis>=5.0,<9.0",
     "celery[redis]>=5.4,<6.0",
     "django-celery-beat>=2.6,<3.0",
     "django-celery-results>=2.5,<3.0",