diff --git a/requirements.txt b/requirements.txt
index 07c911b..b917c06 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -46,7 +46,7 @@ sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.2
 sphinxcontrib-serializinghtml==1.1.3
 tensorboard==1.13.1
-tensorflow==1.13.1
+tensorflow==2.5.3
 tensorflow-estimator==1.13.0
 termcolor==1.1.0
 urllib3==1.25.3