diff --git a/test/cachedb/compose.yml b/test/cachedb/compose.yml
index 8c574b5..5493170 100644
--- a/test/cachedb/compose.yml
+++ b/test/cachedb/compose.yml
@@ -2,7 +2,7 @@ name: unbound
 
 services:
   redis:
-    image: redis:6-alpine
+    image: redis:8-alpine
     container_name: unbound-redis
     command: redis-server --save 60 1
     volumes: