diff --git a/requirements.txt b/requirements.txt
index 297952d..bf79b4c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -88,7 +88,7 @@ PyYAML==5.1
 pyzmq==19.0.0
 qtconsole==4.7.1
 QtPy==1.9.0
-reportlab==3.4.0
+reportlab==3.5.55
 requests==2.20.0
 requests-unixsocket==0.1.5
 SecretStorage==2.3.1