diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index d43e2fe..5c14da4
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ openslide-python==1.1.1
 h5py==2.9.0
 Pillow==5.4.1
 tensorboard==2.0.0
-tensorflow==2.0.0
+tensorflow==2.11.1
 scikit-image==0.14.2
 psutil==5.6.3
 scikit-learn==0.22.1