diff --git a/services/challenge-validator/requirements.txt b/services/challenge-validator/requirements.txt
index 69b5e1e..9b5069c 100644
--- a/services/challenge-validator/requirements.txt
+++ b/services/challenge-validator/requirements.txt
@@ -1,6 +1,6 @@
 fastapi==0.104.1
 uvicorn[standard]==0.24.0
 pydantic==2.5.0
-redis==5.0.1
+redis==8.1.0
 pyyaml==6.0.1
 prometheus-client==0.19.0