diff --git a/changelog.d/2.misc b/changelog.d/2.misc
new file mode 100644
index 000000000000..60d9c674d2e7
--- /dev/null
+++ b/changelog.d/2.misc
@@ -0,0 +1 @@
+Bump redis from 6-bullseye to 7-bullseye in /docker.
diff --git a/docker/Dockerfile-workers b/docker/Dockerfile-workers
index 0c2d4f3047af..818f2e5f3fdb 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