diff --git a/requirements.txt b/requirements.txt
index 671bb0d..0df46a1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ cffi==1.14.3
 chardet==3.0.4
 configparser==5.0.1
 coverage==5.3
-cryptography==3.3.2
+cryptography==39.0.1
 docopt==0.6.2
 google-api-core==1.23.0
 google-auth==1.22.1