diff --git a/tutorials/ardu-pi-serial-part-1/requirements.txt b/tutorials/ardu-pi-serial-part-1/requirements.txt
index cb3799b107..74c607d8d8 100644
--- a/tutorials/ardu-pi-serial-part-1/requirements.txt
+++ b/tutorials/ardu-pi-serial-part-1/requirements.txt
@@ -1,4 +1,4 @@
-cryptography==3.2
+cryptography==3.3.2
 PyJWT==1.6.4
 pyOpenSSL==18.0.0
 rfc3339==6.0