diff --git a/bak/requirements.txt b/bak/requirements.txt
index e71cf59..b167e6a 100644
--- a/bak/requirements.txt
+++ b/bak/requirements.txt
@@ -163,7 +163,7 @@ regex==2017.4.5
 requests-oauthlib==1.0.0
 requests-unixsocket==0.1.5
 retrying==1.3.3
-rsa==3.4.2
+rsa==4.7
 ruamel.yaml==0.15.64
 s3transfer==0.1.13
 scikit-learn==0.19.2