diff --git a/requirements.txt b/requirements.txt
index 2d820b1..aba27e3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 asn1crypto==1.3.0
 cffi==1.14.0
 click==7.1.2
-cryptography==2.3.1
+cryptography==3.2
 Flask==1.0.2
 idna==2.9
 itsdangerous==0.24