diff --git a/azure/cpu-memory/model_serving/ml_lr_prediction/requirements.txt b/azure/cpu-memory/model_serving/ml_lr_prediction/requirements.txt
index 0f184f1..e3ed34b 100644
--- a/azure/cpu-memory/model_serving/ml_lr_prediction/requirements.txt
+++ b/azure/cpu-memory/model_serving/ml_lr_prediction/requirements.txt
@@ -8,7 +8,7 @@ six==1.12.0
 
 azure_storage_blob==1.0.0
 azure-storage-file==1.0.0
-cryptography==3.3.2
+cryptography==39.0.1
 
 numpy
 pandas