diff --git a/dev/backend/requirements.txt b/dev/backend/requirements.txt
index 7c89953..0085d46 100644
--- a/dev/backend/requirements.txt
+++ b/dev/backend/requirements.txt
@@ -53,7 +53,7 @@ oneconf==0.3.7.15.4.1
 PAM==0.4.2
 pbr==1.9.1
 pexpect==4.0.1
-Pillow==2.7.0
+Pillow==8.1.1
 piston-mini-client==0.7.5
 ptyprocess==0.5.1
 pyasn1==0.1.9