diff --git a/depends/jsoncpp/jsoncpp.h b/depends/jsoncpp/jsoncpp.h
index da3807d31..ccb4f145b 100644
--- a/depends/jsoncpp/jsoncpp.h
+++ b/depends/jsoncpp/jsoncpp.h
@@ -195,6 +195,8 @@ license you like.
 #define JSONCPP_DEPRECATED(message)
 #endif // if !defined(JSONCPP_DEPRECATED)
 
+#include <cstdint>
+
 namespace Json {
 typedef int Int;
 typedef unsigned int UInt;
@@ -208,8 +210,8 @@ typedef unsigned int LargestUInt;
 typedef __int64 Int64;
 typedef unsigned __int64 UInt64;
 #else                 // if defined(_MSC_VER) // Other platforms, use long long
-typedef long long int Int64;
-typedef unsigned long long int UInt64;
+typedef int64_t Int64;
+typedef uint64_t UInt64;
 #endif // if defined(_MSC_VER)
 typedef Int64 LargestInt;
 typedef UInt64 LargestUInt;