diff --git a/requirements.txt b/requirements.txt
index e38872a..4c028c1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ atomicwrites==1.1.5
 attrs==18.1.0
 bcrypt==3.1.4
 cffi==1.11.5
-cryptography==2.3
+cryptography==3.2
 idna==2.7
 more-itertools==4.2.0
 nose==1.3.7