diff --git a/dr/requirements.txt b/dr/requirements.txt
index 3f9b7da..6cf17c4 100644
--- a/dr/requirements.txt
+++ b/dr/requirements.txt
@@ -10,7 +10,7 @@ certifi==2019.11.28
 cffi==1.13.2
 chardet==3.0.4
 Click==7.0
-cryptography==2.8
+cryptography==3.2
 decorator==4.4.1
 defusedxml==0.6.0
 dill==0.3.1.1