diff --git a/requirements.txt b/requirements.txt
index b9abc2c..8e6e7ad 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ colorlog==2.10.0
 command-not-found==0.3
 cppclean==0.12
 cpplint==1.3.0
-cryptography==1.7.1
+cryptography==3.2
 decorator==4.0.11
 defer==1.0.6
 dennis==0.9