diff --git a/README.md b/README.md
index fda2076..5deac8a 100644
--- a/README.md
+++ b/README.md
@@ -78,7 +78,7 @@ predefined_args = {
 * gluonnlp >= 0.6.0
 * sentencepiece >= 0.1.6
 * onnxruntime >= 0.3.0
-* transformers >= 2.1.1
+* transformers >= 2.1.1, <= 3.0.2
 
 #### How to install
 
diff --git a/requirements.txt b/requirements.txt
index 2422f23..f0a46e9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,4 +3,4 @@ mxnet >= 1.4.0
 gluonnlp >= 0.6.0
 sentencepiece >= 0.1.6
 onnxruntime >= 0.3.0
-transformers >= 2.1.1
+transformers >= 2.1.1, <= 3.0.2