diff --git a/source_code/CNN_DDPG_implementation/requirements.txt b/source_code/CNN_DDPG_implementation/requirements.txt
index 74eb8ff..1d63f1f 100644
--- a/source_code/CNN_DDPG_implementation/requirements.txt
+++ b/source_code/CNN_DDPG_implementation/requirements.txt
@@ -16,7 +16,7 @@ grpcio==1.19.0
 gym==0.12.1
 h5py==2.9.0
 idna==2.8
-ipython==7.4.0
+ipython==7.16.3
 ipython-genutils==0.2.0
 jedi==0.13.3
 joblib==0.13.2