diff --git a/examples/tensorflow/train/crnn/requirements.txt b/examples/tensorflow/train/crnn/requirements.txt
index a2f581b..e6cd4a3 100644
--- a/examples/tensorflow/train/crnn/requirements.txt
+++ b/examples/tensorflow/train/crnn/requirements.txt
@@ -3,4 +3,4 @@ numpy==1.13.1
 opencv_python==3.2.0.7
 matplotlib==2.0.2
 easydict==1.6
-tensorflow==1.6.0
+tensorflow==2.7.2