diff --git a/Pipfile b/Pipfile
index 2e9a920..ff71171 100644
--- a/Pipfile
+++ b/Pipfile
@@ -15,7 +15,7 @@ idna = "==2.6"
 "pyasn1-modules" = "==0.2.1"
 pytesseract = "==0.1.7"
 requests = "==2.18.4"
-rsa = "==3.4.2"
+rsa = "==4.7"
 six = "==1.11.0"
 uritemplate = "==3.0.0"
 "urllib3" = "==1.22"