diff --git a/lectures/lecture-02/codelab/code/requirements.txt b/lectures/lecture-02/codelab/code/requirements.txt
index e0c4dbc..c3419b6 100644
--- a/lectures/lecture-02/codelab/code/requirements.txt
+++ b/lectures/lecture-02/codelab/code/requirements.txt
@@ -16,7 +16,7 @@ pyflakes==1.5.0
 python-dateutil==2.6.1
 PyYAML==3.12
 requests==2.18.4
-rsa==3.4.2
+rsa==4.7
 s3transfer==0.1.11
 six==1.10.0
 urllib3==1.22