diff --git a/requirements.txt b/requirements.txt
index 961d141..2319d0f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ cffi==1.10.0
 click==6.7
 clint==0.5.1
 configobj==5.0.6
-cryptography==1.8.1
+cryptography==3.2
 curtsies==0.2.11
 enum34==1.1.6
 Flask==0.12.1