diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index da32deb..1d0f6a3
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ cachetools==3.1.0
 certifi==2019.3.9
 cffi==1.12.2
 chardet ==3.0.4
-cryptography==3.3.2
+cryptography==39.0.1
 entrypoints==0.3
 google-api-python-client==1.7.8
 google-auth==1.6.3