diff --git a/requirements.txt b/requirements.txt
index 2735c4c..d47b545 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 mutagenx>=1.21
 nose==1.3.0
-pillow==2.2.1
+pillow==9.0.0
 lxml==3.2.0