diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 63f7705..33aba0f
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ applicationinsights==0.11.9
 certifi==2020.6.20
 cffi==1.14.0
 chardet==3.0.4
-cryptography==2.9.2
+cryptography==41.0.3
 idna==2.10
 influxdb==5.3.0
 JSON-log-formatter==0.3.0