diff --git a/code-env/python/spec/requirements.txt b/code-env/python/spec/requirements.txt
old mode 100755
new mode 100644
index 02bc05e..080af3d
--- a/code-env/python/spec/requirements.txt
+++ b/code-env/python/spec/requirements.txt
@@ -1,6 +1,6 @@
 tensorboard==1.14.0
 tensorflow-estimator==1.14.0
-tensorflow==1.14
+tensorflow==2.6.4
 gym
 stable-baselines
 Flask