diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 9d8dd24..fc5425e
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,7 +27,7 @@ pyasn1==0.4.5
 pyasn1-modules==0.2.3
 pytz==2018.9
 requests==2.21.0
-rsa==4.0
+rsa==4.7
 scikit-learn==0.20.2
 scipy==1.2.1
 setproctitle==1.1.10