diff --git a/web300-6/requirements.txt b/web300-6/requirements.txt
old mode 100755
new mode 100644
index 9cdfa68..082a7bc
--- a/web300-6/requirements.txt
+++ b/web300-6/requirements.txt
@@ -4,4 +4,4 @@ pycrypto==2.6.1
 six==1.11.0
 SQLAlchemy==1.2.10
 Werkzeug==0.14.1
-cryptography==2.3
\ No newline at end of file
+cryptography==3.2
\ No newline at end of file