1diff --git a/ortools/data/jobshop_scheduling_parser.cc b/ortools/data/jobshop_scheduling_parser.cc
2index cb0a360b..c2f055eb 100644
3--- a/ortools/data/jobshop_scheduling_parser.cc
4+++ b/ortools/data/jobshop_scheduling_parser.cc
5@@ -14,6 +14,7 @@
6 #include "ortools/data/jobshop_scheduling_parser.h"
7
8 #include <cmath>
9+#include <gflags/gflags.h>
10
11 #include "google/protobuf/wrappers.pb.h"
12 #include "ortools/base/filelineiter.h"