diff --git a/deeplearning-image-cpu/code-env/python/spec/requirements.txt b/deeplearning-image-cpu/code-env/python/spec/requirements.txt
index fbb3bfb4..67486287 100644
--- a/deeplearning-image-cpu/code-env/python/spec/requirements.txt
+++ b/deeplearning-image-cpu/code-env/python/spec/requirements.txt
@@ -1,5 +1,5 @@
 scikit-learn==0.19
-tensorflow==1.4.0
+tensorflow==1.15.4
 keras==2.1.2
 h5py>=2.7.1
 Pillow