diff --git a/cache/Dockerfile b/cache/Dockerfile
index 0f5465a8d..e6bdd6253 100644
--- a/cache/Dockerfile
+++ b/cache/Dockerfile
@@ -2,6 +2,6 @@
 # an environment variable
 # See https://github.com/docker-library/redis/issues/46#issuecomment-211599210
 
-FROM redis:6.2.5
+FROM redis:6.2.24
 
 CMD ["sh", "-c", "exec redis-server --requirepass \"$REDIS_PASSWORD\""]