diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 3135cb1ef..9ba6fee84 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -52,7 +52,7 @@ jobs:
           - homeserver: Synapse
             repo: element-hq/synapse
             tags: synapse_blacklist
-            packages: ./tests/msc3874 ./tests/msc3902 ./tests/msc4306 ./tests/msc4429
+            packages: ./tests/msc3874 ./tests/msc3902 ./tests/msc4140 ./tests/msc4306 ./tests/msc4429
             env: "COMPLEMENT_ENABLE_DIRTY_RUNS=1 COMPLEMENT_SHARE_ENV_PREFIX=PASS_ PASS_SYNAPSE_COMPLEMENT_DATABASE=sqlite"
             timeout: 20m