diff --git a/README.md b/README.md
index 2de4f9f..85ddc0a 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ Connectionist Temporal Classification (CTC) by using Recurrent Neural Network (R
 
 - Python 2.7+ (for Linux)
 - Python 3.5+ (for Windows)
-- TensorFlow 1.0+
+- TensorFlow 1.12.1+
 - NumPy 1.5+
 - SciPy 0.12+
 - python_speech_features 0.1+
diff --git a/requirements.txt b/requirements.txt
index 36f1cd5..4d4b878 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 python-speech-features==0.6
-tensorflow==1.3.0
-tensorflow-tensorboard==0.1.8
+tensorflow>=1.12.1
+tensorflow-tensorboard>=0.1.8