diff --git a/requirement.txt b/requirement.txt
index 0c9177f..1247c83 100644
--- a/requirement.txt
+++ b/requirement.txt
@@ -129,7 +129,7 @@ patsy==0.5.1
 pep8==1.7.1
 pexpect==4.6.0
 pickleshare==0.7.5
-Pillow==5.3.0
+Pillow==9.3.0
 pkginfo==1.4.2
 pluggy==0.8.0
 ply==3.11