diff --git a/15.rl_learning/requirements.txt b/15.rl_learning/requirements.txt
index f7c728d..84270a4 100644
--- a/15.rl_learning/requirements.txt
+++ b/15.rl_learning/requirements.txt
@@ -12,7 +12,7 @@ google-pasta==0.2.0
 grpcio==1.27.2
 gym==0.17.1
 h5py==2.10.0
-ipython==7.13.0
+ipython==7.16.3
 ipython-genutils==0.2.0
 jedi==0.16.0
 joblib==0.14.1