diff --git a/CourseMaterial/DeepLearning/RNN_Exercise/requirements.txt b/CourseMaterial/DeepLearning/RNN_Exercise/requirements.txt
index 97c0122..99784fb 100644
--- a/CourseMaterial/DeepLearning/RNN_Exercise/requirements.txt
+++ b/CourseMaterial/DeepLearning/RNN_Exercise/requirements.txt
@@ -47,7 +47,7 @@ pandas==0.22.0
 pandocfilters==1.4.2
 parso==0.2.0
 pickleshare==0.7.4
-Pillow==5.1.0
+Pillow==9.0.1
 prompt-toolkit==1.0.15
 protobuf==3.5.2
 pycparser==2.18