diff --git a/docker/complement/conf/start_for_complement.sh b/docker/complement/conf/start_for_complement.sh
index 49d79745b064..a92f55cb5ed4 100755
--- a/docker/complement/conf/start_for_complement.sh
+++ b/docker/complement/conf/start_for_complement.sh
@@ -50,6 +50,8 @@ if [[ -n "$SYNAPSE_COMPLEMENT_USE_WORKERS" ]]; then
   # -n True if the length of string is non-zero.
   # -z True if the length of string is zero.
   if [[ -z "$SYNAPSE_WORKER_TYPES" ]]; then
+    # This list corresponds to the keys of the WORKERS_CONFIG dict in
+    # synapse/docker/configure_workers_and_start.py
     export SYNAPSE_WORKER_TYPES="\
       event_persister, \
       event_persister, \
@@ -64,7 +66,12 @@ if [[ -n "$SYNAPSE_COMPLEMENT_USE_WORKERS" ]]; then
       synchrotron, \
       client_reader, \
       appservice, \
-      pusher"
+      pusher,  \
+      account_data,  \
+      presence,  \
+      receipts,  \
+      to_device,  \
+      typing"
 
   fi
   log "Workers requested: $SYNAPSE_WORKER_TYPES"
diff --git a/docker/configure_workers_and_start.py b/docker/configure_workers_and_start.py
index 58c62f2231f3..e50e3242a5a0 100755
--- a/docker/configure_workers_and_start.py
+++ b/docker/configure_workers_and_start.py
@@ -57,6 +57,11 @@
 # Stream Writers require "client" and "replication" listeners because they
 #   have to attach by instance_map to the master process and have client endpoints.
 WORKERS_CONFIG: Dict[str, Dict[str, Any]] = {
+    # NOTE: Any new entries added to this list should also be added to the
+    # SYNAPSE_WORKER_TYPES environment variable in
+    # docker/complement/conf/start_for_complement.sh in order to include
+    # those workers in the worker-mode Complement runs in CI, and when
+    # using scripts-dev/complement.sh locally.
     "pusher": {
         "app": "synapse.app.generic_worker",
         "listener_resources": [],