diff --git a/Advanced Network Programmability/dia_1/interpreter/requirements.txt b/Advanced Network Programmability/dia_1/interpreter/requirements.txt
index c4d32217..0cd2dccc 100644
--- a/Advanced Network Programmability/dia_1/interpreter/requirements.txt	
+++ b/Advanced Network Programmability/dia_1/interpreter/requirements.txt	
@@ -16,7 +16,7 @@ bcrypt==3.1.4
 certifi==2018.8.24
 cffi==1.11.5
 chardet==3.0.4
-cryptography==2.3.1
+cryptography==39.0.1
 idna==2.7
 lxml==4.2.5
 ncclient==0.6.3