diff --git a/nodeserver/worker/requirements.txt b/nodeserver/worker/requirements.txt
index 566a4b2..a711f92 100644
--- a/nodeserver/worker/requirements.txt
+++ b/nodeserver/worker/requirements.txt
@@ -19,7 +19,7 @@ psutil==5.6.3
 requests==2.22.0
 six==1.12.0
 tensorboard==2.0.0
-tensorflow==2.0.0
+tensorflow==2.6.4
 tensorflow-estimator==2.0.1
 tensorflow-privacy==0.2.1
 termcolor==1.1.0