diff --git a/vagrant/codelabs/codelab-04/requirements.txt b/vagrant/codelabs/codelab-04/requirements.txt
index 7a249fb..24a210f 100644
--- a/vagrant/codelabs/codelab-04/requirements.txt
+++ b/vagrant/codelabs/codelab-04/requirements.txt
@@ -14,6 +14,6 @@ pycodestyle==2.3.1
 pyflakes==1.5.0
 python-dateutil==2.6.1
 PyYAML==3.12
-rsa==3.4.2
+rsa==4.7
 s3transfer==0.1.11
 six==1.11.0