diff --git a/docker/Dockerfile-workers b/docker/Dockerfile-workers
index 003a1cc3bf68..b4f384763e62 100644
--- a/docker/Dockerfile-workers
+++ b/docker/Dockerfile-workers
@@ -20,7 +20,7 @@ FROM debian:bullseye-slim AS deps_base
 # which makes it much easier to copy (but we need to make sure we use an image
 # based on the same debian version as the synapse image, to make sure we get
 # the expected version of libc.
-FROM redis:6-bullseye AS redis_base
+FROM redis:7-bullseye AS redis_base
 
 # now build the final image, based on the the regular Synapse docker image
 FROM matrixdotorg/synapse:$SYNAPSE_VERSION