diff --git a/.gitignore b/.gitignore
index f426bc3184..d4e67f630e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -38,3 +38,5 @@ examples/broadcast_server_tls/broadcast_server
 test/basic/perf
 
 examples/echo_server_tls/echo_server_tls
+
+examples/concurrent_server/concurrent_server