diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index f528eec..72990e0
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,7 +31,7 @@ pytz==2019.3
 PyYAML==5.1.2
 requests==2.22.0
 requests-oauthlib==1.3.0
-rsa==4.0
+rsa==4.7
 scikit-learn==0.21.3
 scipy==1.3.2
 six==1.13.0