diff --git a/requirements.txt b/requirements.txt
index bc39529..b67ae84 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,4 +15,4 @@ redis==3.0.1
 six==1.12.0
 tmx==1.10
 pytest-mock==1.10.0
-Pillow==5.3.0
+Pillow==5.4.1