diff --git a/include/onnxruntime/core/framework/tensor_shape.h b/include/onnxruntime/core/framework/tensor_shape.h
index d4ee4a0e5e..c33bea9cf7 100644
--- a/include/onnxruntime/core/framework/tensor_shape.h
+++ b/include/onnxruntime/core/framework/tensor_shape.h
@@ -8,6 +8,7 @@
 #include <iosfwd>
 #include <string>
 #include <vector>
+#include <cstdint>
 
 #include <gsl/gsl>
 #include "core/common/inlined_containers_fwd.h"
diff --git a/onnxruntime/test/perftest/strings_helper.h b/onnxruntime/test/perftest/strings_helper.h
index d6c6f6112a..8580c86db6 100644
--- a/onnxruntime/test/perftest/strings_helper.h
+++ b/onnxruntime/test/perftest/strings_helper.h
@@ -7,6 +7,7 @@
 #include <unordered_map>
 #include <unordered_set>
 #include <vector>
+#include <cstdint>
 
 namespace onnxruntime {
 namespace perftest {