diff --git a/requirements.txt b/requirements.txt
index 378eb52..21e9ef6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,7 @@ python-dateutil==2.8.1
 pytz==2019.3
 requests==2.23.0
 requests-oauthlib==1.3.0
-rsa==4.1
+rsa==4.7
 scipy==1.4.1
 seaborn==0.9.1
 sentencepiece==0.1.85