diff --git a/Surrogate_MBO/requirements.txt b/Surrogate_MBO/requirements.txt
index 3b02b4b..5b1215c 100644
--- a/Surrogate_MBO/requirements.txt
+++ b/Surrogate_MBO/requirements.txt
@@ -113,7 +113,7 @@ ray==0.7.6
 redis==3.4.1
 requests==2.23.0
 requests-oauthlib==1.3.0
-rsa==4.0
+rsa==4.7
 scikit-learn==0.22.1
 scipy==1.4.1
 Send2Trash==1.5.0