diff --git a/requirements_minimum.txt b/requirements_minimum.txt
index ea612e1..a85ff3c 100644
--- a/requirements_minimum.txt
+++ b/requirements_minimum.txt
@@ -33,7 +33,7 @@ python-dateutil==2.8.1
 pytz==2019.3
 PyWavelets==1.1.1
 requests==2.22.0
-rsa==4.0
+rsa==4.1
 scikit-image==0.16.2
 scipy==1.4.1
 six==1.14.0