diff --git a/include/zep/mcommon/string/stringutils.h b/include/zep/mcommon/string/stringutils.h
index 9a74bc7ff..956ae3a9a 100644
--- a/include/zep/mcommon/string/stringutils.h
+++ b/include/zep/mcommon/string/stringutils.h
@@ -6,6 +6,7 @@
 #include <string>
 #include <unordered_map>
 #include <vector>
+#include <cstdint>
 
 namespace Zep
 {