diff --git a/requirements.txt b/requirements.txt
index 92e2430..aa10965 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 leven==1.0.4
-mxnet==1.4.0
+mxnet==1.9.1
 gluonnlp==0.9.0
 protobuf==3.8.0
 mxboard==0.1.0