diff --git a/changelog.d/12810.misc b/changelog.d/12810.misc
new file mode 100644
index 000000000000..fe5fb81d5e46
--- /dev/null
+++ b/changelog.d/12810.misc
@@ -0,0 +1 @@
+Test Synapse against Complement with workers.
\ No newline at end of file