diff --git a/requirements.txt b/requirements.txt
index b9c8e1c..f1acbba 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ certifi==2019.11.28
 chardet==3.0.4
 click==7.1.1
 command-not-found==0.3
-cryptography==2.1.4
+cryptography==2.3
 cupshelpers==1.0
 defer==1.0.6
 distlib==0.3.0