diff --git a/Tests/MsgpackHeavyDutyTestsGroup.cpp b/Tests/MsgpackHeavyDutyTestsGroup.cpp
index dfc4ec7..4180e8b 100644
--- a/Tests/MsgpackHeavyDutyTestsGroup.cpp
+++ b/Tests/MsgpackHeavyDutyTestsGroup.cpp
@@ -594,7 +594,7 @@ TEST(MsgpackHeavyDutyTestsGroup, MsgpackObject_Perfomance_Test) {
 	UT_PRINT(text);
 
 	CHECK_EQUAL(size, nativeSize);
-	CHECK_FALSE(durationAdd > nativeDurationAdd * 4);
-	CHECK_FALSE(durationDirectWriteTo > nativeDurationDirectWriteTo * 4);
-	CHECK_FALSE(durationTryParse > nativeDurationTryParse * 4);
+	CHECK_FALSE(durationAdd > nativeDurationAdd * 6);
+	CHECK_FALSE(durationDirectWriteTo > nativeDurationDirectWriteTo * 6);
+	CHECK_FALSE(durationTryParse > nativeDurationTryParse * 6);
 }
\ No newline at end of file
diff --git a/msgpack-c b/msgpack-c
index 8160ede..4458801 160000
--- a/msgpack-c
+++ b/msgpack-c
@@ -1 +1 @@
-Subproject commit 8160ede5e20fd3019a77eea46d9c72cf6163f802
+Subproject commit 445880108a1d171f755ff6ac77e03fbebbb23729