diff --git a/.gitignore b/.gitignore
index 415f2b52077..8c55691d87a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -110,6 +110,7 @@ extra/pcre2
 extra/libfmt
 plugin/auth_pam/auth_pam_tool
 plugin/auth_pam/config_auth_pam.h
+plugin/auth_pam/testing/mariadb_mtr
 plugin/aws_key_management/aws-sdk-cpp
 plugin/aws_key_management/aws_sdk_cpp
 plugin/aws_key_management/aws_sdk_cpp-prefix