diff --git a/requirements.txt b/requirements.txt
index 7ec274b..cc1ab13 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,7 +41,7 @@ numpy==1.14.2
 oauthlib==2.0.7
 olefile==0.45.1
 pandas==0.22.0
-Pillow==5.0.0
+Pillow==5.1.0
 psycopg2-binary==2.7.4
 pycparser==2.18
 pyIsEmail==1.3.1