diff --git a/lldb/include/lldb/Utility/AddressableBits.h b/lldb/include/lldb/Utility/AddressableBits.h
index 0d27c3561ec272..8c7a1ec5f52c0a 100644
--- a/lldb/include/lldb/Utility/AddressableBits.h
+++ b/lldb/include/lldb/Utility/AddressableBits.h
@@ -12,6 +12,8 @@
 #include "lldb/lldb-forward.h"
 #include "lldb/lldb-public.h"
 
+#include <cstdint>
+
 namespace lldb_private {
 
 /// \class AddressableBits AddressableBits.h "lldb/Core/AddressableBits.h"