diff --git a/mysql-test/suite/s3/my.cnf b/mysql-test/suite/s3/my.cnf
index ad3aa908993..03060f8a0ef 100644
--- a/mysql-test/suite/s3/my.cnf
+++ b/mysql-test/suite/s3/my.cnf
@@ -19,7 +19,7 @@ s3-host-name="127.0.0.1"
 # Note: s3-host-name="localhost" doesn't work. It causes
 # libmarias3 to use the wrong variant of the protocol.
 s3-bucket=storage-engine
-s3-access-key=minioadmin
+s3-access-key=minio
 s3-secret-key=minioadmin
 s3-port=9000
 s3-use-http=ON
diff --git a/mysql-test/suite/s3/slave.cnf b/mysql-test/suite/s3/slave.cnf
index 12d767dea05..514171b383c 100644
--- a/mysql-test/suite/s3/slave.cnf
+++ b/mysql-test/suite/s3/slave.cnf
@@ -16,7 +16,7 @@ s3-host-name="127.0.0.1"
 # Note: s3-host-name="localhost" doesn't work. It causes
 # libmarias3 to use the wrong variant of the protocol.
 s3-bucket=storage-engine
-s3-access-key=minioadmin
+s3-access-key=minio
 s3-secret-key=minioadmin
 s3-port=9000
 s3-use-http=ON