diff --git a/requirements.txt b/requirements.txt
index 58df06f..670706b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -38,7 +38,7 @@ Pillow==4.2.1
 pycodestyle==2.3.1
 pyflakes==1.5.0
 PyHamcrest==1.9.0
-PyPDF2==1.26.0
+PyPDF2==1.27.5
 python3-openid==3.1.0
 pytz==2017.2
 redis==2.10.6