diff --git a/requirements.txt b/requirements.txt
index a903251..22b5a1f 100755
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ ntplib==0.3.3
 sklearn
 opencv-python
 keras==2.2.4
-tensorflow
+tensorflow==1.15.0rc1
 matplotlib>=3.0.2
 numpy>=1.14.6
 scipy>=1.1.0