diff --git a/ortools/scheduling/rcpsp_parser.cc b/ortools/scheduling/rcpsp_parser.cc
index 65c3ff156b..31d15a5b52 100644
--- a/ortools/scheduling/rcpsp_parser.cc
+++ b/ortools/scheduling/rcpsp_parser.cc
@@ -17,6 +17,8 @@
 #include <string>
 #include <vector>
 
+#include "absl/log/check.h"
+#include "absl/log/log.h"
 #include "absl/strings/match.h"
 #include "absl/strings/numbers.h"
 #include "absl/strings/str_split.h"