diff --git a/requirements.txt b/requirements.txt
index 04ee818..1029a41 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ chardet==3.0.4
 future==0.16.0
 idna==2.7
 oauthlib==2.1.0
-Pillow==5.2.0
+Pillow==9.0.0
 PySocks==1.6.8
 python-twitter==3.4.2
 requests==2.19.1