diff --git a/nlp/requirements.txt b/nlp/requirements.txt
index 7b8e643..d61afcd 100644
--- a/nlp/requirements.txt
+++ b/nlp/requirements.txt
@@ -101,7 +101,7 @@ pyxdg==0.25
 PyYAML==3.12
 pyzmq==18.0.1
 qtconsole==4.4.3
-reportlab==3.4.0
+reportlab==3.5.55
 requests==2.18.4
 requests-unixsocket==0.1.5
 scikit-image==0.15.0