diff --git a/.gitignore b/.gitignore
index 05ef474..9236acb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,6 +29,7 @@ server_config.json
 client_config.json
 test_*.json
 test_*.db
+master_ca_certs/
 .env
 *.env
 runner/.env