diff --git a/hackathon/mBrainAligner/src/3D_U-Net/requirements.txt b/hackathon/mBrainAligner/src/3D_U-Net/requirements.txt
index 3e4efea90f..bed2dd62d2 100644
--- a/hackathon/mBrainAligner/src/3D_U-Net/requirements.txt
+++ b/hackathon/mBrainAligner/src/3D_U-Net/requirements.txt
@@ -5,4 +5,4 @@ tensorflow_gpu==1.4.0
 Keras==2.1.2
 scipy==1.0.0
 SimpleITK==2.1.0
-tensorflow==2.5.0
+tensorflow==2.7.2