diff --git a/.buildkite/worker-blacklist b/.buildkite/worker-blacklist
index 158ab79154..094b6c94da 100644
--- a/.buildkite/worker-blacklist
+++ b/.buildkite/worker-blacklist
@@ -39,3 +39,5 @@ Server correctly handles incoming m.device_list_update
 
 # this fails reliably with a torture level of 100 due to https://github.com/matrix-org/synapse/issues/6536
 Outbound federation requests missing prev_events and then asks for /state_ids and resolves the state
+
+Can get rooms/{roomId}/members at a given point
diff --git a/changelog.d/6883.misc b/changelog.d/6883.misc
new file mode 100644
index 0000000000..e0837d7987
--- /dev/null
+++ b/changelog.d/6883.misc
@@ -0,0 +1 @@
+Add an additional entry to the SyTest blacklist for worker mode.