diff --git a/compiler-rt/lib/orc/stl_extras.h b/compiler-rt/lib/orc/stl_extras.h
index 1eef56577bf8d..80a6cd13ac281 100644
--- a/compiler-rt/lib/orc/stl_extras.h
+++ b/compiler-rt/lib/orc/stl_extras.h
@@ -13,6 +13,7 @@
 #ifndef ORC_RT_STL_EXTRAS_H
 #define ORC_RT_STL_EXTRAS_H
 
+#include <cstdint>
 #include <utility>
 #include <tuple>