diff --git a/.gitignore b/.gitignore
index a1af91a75c82..d1f5f14511e9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -45,6 +45,7 @@ petstore.json
 *.log
 !testdata/*.mmdb
 *.pid
+*.pb.go-e
 coprocess_gen_test.go
 session_state_gen_test.go
 __pycache__/