diff --git a/nucypher/requirements.txt b/nucypher/requirements.txt
index 5bde247..d634ecc 100644
--- a/nucypher/requirements.txt
+++ b/nucypher/requirements.txt
@@ -188,7 +188,7 @@ systemd-python==234
 tabulate==0.8.7
 tensorboard==2.2.2
 tensorboard-plugin-wit==1.6.0.post3
-tensorflow==2.2.0
+tensorflow==2.9.3
 tensorflow-estimator==2.2.0
 termcolor==1.1.0
 terminado==0.8.2