diff --git a/requirements.txt b/requirements.txt
index 1471155..c5d594f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ azure-storage-common==1.4.0
 certifi==2018.11.29
 cffi==1.11.5
 chardet==3.0.4
-cryptography==2.5
+cryptography==41.0.3
 cycler==0.10.0
 grpcio==1.14.2
 grpcio-tools==1.14.2