diff --git a/python/requirements/ml/requirements_rllib.txt b/python/requirements/ml/requirements_rllib.txt
index 7ccbca042374..64a7a9ff64d7 100644
--- a/python/requirements/ml/requirements_rllib.txt
+++ b/python/requirements/ml/requirements_rllib.txt
@@ -20,7 +20,7 @@ supersuit==3.3.3; python_version >= '3.7'
 pybullet==3.2.0
 # For tests on RecSim and Kaggle envs.
 recsim==0.2.4
-tensorflow_estimator==2.6.0
+tensorflow_estimator==2.9.0
 # DeepMind's OpenSpiel
 open-spiel==1.0.2