diff --git a/.gitignore b/.gitignore
index 6ad79d79..8d306b2c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,5 +6,6 @@ dist-ssr
 *.local
 .idea/
 public/config.json
+backend/synapse_tmp/*
 /coverage
 yarn-error.log