diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index 5a79ca0..57f4b2d 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -20,7 +20,7 @@ dependencies = [
     "langchain-core>=0.3.0",
     "langgraph>=0.2.0",
     "structlog>=24.0.0",
-    "redis>=5.0.0",
+    "redis>=7.4.0",
     "httpx>=0.27.0",
     "prometheus-client>=0.21.0",
     "langfuse>=4.0.0",