diff --git a/requirements.txt b/requirements.txt
index 834666a..1430493 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,7 +41,7 @@ MySQL-python==1.2.5
 oauthlib==0.6.2
 paho-mqtt==1.3.1
 parse==1.8.4
-Pillow==2.4.0
+Pillow==9.0.0
 pyasn1==0.1.7
 pycparser==2.10
 pycrypto==2.6.1