diff --git a/requirements.txt b/requirements.txt
index 45eba14..f1c5b02 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ cython
 matplotlib
 scikit-image
 tensorflow>=1.3.0
-keras==2.1.3
+keras==2.13.1
 opencv-python
 h5py
 imgaug