diff --git a/requirements.txt b/requirements.txt
index 97fbdc1..9f61984 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ Pyrebase4==4.3.0
 python-jwt==2.0.1
 requests==2.21.0
 requests-toolbelt==0.9.1
-rsa==4.0
+rsa==4.7
 six==1.12.0
 urllib3==1.24.2
 Werkzeug==0.15.2