diff --git a/requirements.txt b/requirements.txt
index c4b587c..69d50ce 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -82,7 +82,7 @@ pytz==2018.7
 PyYAML==5.1
 requests==2.21.0
 resampy==0.2.1
-rsa==3.4.2
+rsa==4.7
 s3transfer==0.2.0
 scikit-learn==0.20.2
 scipy==1.1.0