diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 994f8da..aaba3ef
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ bcrypt==3.1.4
 certifi==2017.7.27.1
 cffi==1.11.2
 chardet==3.0.4
-cryptography==2.1.3
+cryptography==3.2
 decorator==4.1.2
 diff-match-patch==20121119
 django-crispy-forms==1.7.0