diff --git a/device/pi_py/requirements.txt b/device/pi_py/requirements.txt
index 50d1756..8569426 100644
--- a/device/pi_py/requirements.txt
+++ b/device/pi_py/requirements.txt
@@ -1,6 +1,6 @@
 asn1crypto==0.24.0
 cffi==1.11.5
-cryptography==3.2
+cryptography==3.3.2
 enum34==1.1.6
 idna==2.7
 ipaddress==1.0.22