diff --git a/requirements.txt b/requirements.txt
index 7e5cb1d..0d77fa2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 pdfrw==0.4
 Pillow==6.1.0
 pyPdf==1.13
-PyPDF2==1.26.0
+PyPDF2==1.27.9
 pypdftk==0.4
 reportlab==3.5.23