diff --git a/dr/requirements.txt b/dr/requirements.txt
index c2e9c32..fb08618 100644
--- a/dr/requirements.txt
+++ b/dr/requirements.txt
@@ -12,7 +12,7 @@ colorama==0.3.7
 command-not-found==0.3
 configobj==5.0.6
 constantly==15.1.0
-cryptography==2.1.4
+cryptography==3.3.2
 decorator==4.1.2
 defusedxml==0.6.0
 distro-info===0.18ubuntu0.18.04.1