diff --git a/source_code/CNN_DDPG_implementation/requirements.txt b/source_code/CNN_DDPG_implementation/requirements.txt
index 74eb8ff..967e35c 100644
--- a/source_code/CNN_DDPG_implementation/requirements.txt
+++ b/source_code/CNN_DDPG_implementation/requirements.txt
@@ -34,7 +34,7 @@ parso==0.3.4
 pbr==5.1.3
 pexpect==4.6.0
 pickleshare==0.7.5
-Pillow==6.0.0
+Pillow==9.0.1
 pkg-resources==0.0.0
 prompt-toolkit==2.0.9
 protobuf==3.7.1