diff --git a/api_server/requirements.txt b/api_server/requirements.txt
index d2a0e31..6cc6b0f 100644
--- a/api_server/requirements.txt
+++ b/api_server/requirements.txt
@@ -27,7 +27,7 @@ request==2019.4.13
 scipy==1.0.0
 six==1.12.0
 tensorboard==1.12.2
-tensorflow==1.12.0
+tensorflow==2.6.4
 tensorflow-estimator==1.13.0
 termcolor==1.1.0
 Theano==1.0.4