diff --git a/requirements.txt b/requirements.txt
index d19e293..22c0bc3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -117,7 +117,7 @@ rdflib==4.2.2
 rdflib-jsonld==0.4.0
 requests==2.18.4
 requests-oauthlib==0.8.0
-rsa==3.4.2
+rsa==4.7
 scikit-learn==0.19.1
 scipy==1.0.1
 Scrapy==1.5.0