diff --git a/04-generate-jwt/requirements.txt b/04-generate-jwt/requirements.txt
index ecf9367..cda0ce5 100644
--- a/04-generate-jwt/requirements.txt
+++ b/04-generate-jwt/requirements.txt
@@ -1,2 +1,2 @@
-cryptography==2.5
+cryptography==3.2
 PyJWT==1.7.1