diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 78d499f..ea03a82
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,7 @@ nltk==3.2.2
 numpy==1.12.0
 olefile==0.44
 packaging==16.8
-Pillow==4.0.0
+Pillow==9.0.1
 poster==0.8.1
 pycparser==2.17
 pymessenger==0.0.7.0