diff --git a/requirements.txt b/requirements.txt
index 4fdd93d..2b7aab5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -55,7 +55,7 @@ sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.2
 sphinxcontrib-serializinghtml==1.1.3
 tensorboard==1.15.0
-tensorflow==2.4.0
+tensorflow==2.9.3
 tensorflow-estimator==1.15.1
 termcolor==1.1.0
 urllib3==1.25.6