diff --git a/DeepPATH_code/requirements.txt b/DeepPATH_code/requirements.txt
old mode 100755
new mode 100644
index 01cc97b..ec26ada
--- a/DeepPATH_code/requirements.txt
+++ b/DeepPATH_code/requirements.txt
@@ -141,7 +141,7 @@ patsy==0.5.1
 pbr==5.1.1
 pexpect==4.6.0
 pickleshare==0.7.4
-Pillow==5.1.0
+Pillow==8.3.2
 plac==0.9.6
 pluggy==0.7.1
 pomegranate==0.14.0