diff --git a/libs/gltf2usd-master/requirements.txt b/libs/gltf2usd-master/requirements.txt
old mode 100755
new mode 100644
index 80f3193..5a8ecda
--- a/libs/gltf2usd-master/requirements.txt
+++ b/libs/gltf2usd-master/requirements.txt
@@ -1,3 +1,3 @@
-pillow == 5.2.0
+pillow == 8.1.1
 enum34 == 1.1.6
 numpy == 1.15.1