diff --git a/dmlc-core b/dmlc-core
index 81db53948..ea21135fb 160000
--- a/dmlc-core
+++ b/dmlc-core
@@ -1 +1 @@
-Subproject commit 81db539486ce6525b31b971545edffee2754aced
+Subproject commit ea21135fbb141ae103fb5fc960289b5601b468f2