diff --git a/requirements.txt b/requirements.txt
index 3ab060b..37e6015 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,5 +4,5 @@ itsdangerous==0.24
 Jinja2>=2.10.1
 MarkupSafe==0.23
 PyPDF2==1.25.1
-reportlab==3.3.0
+reportlab==3.6.13
 werkzeug>=0.15.3