diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index b3e8830..d83440a
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ ipython
 Pillow
 matplotlib
 sklearn
-tensorflow-gpu==2.0.0b1
+tensorflow-gpu==2.6.4
 tables
 joblib
 nibabel