diff --git a/requirements.txt b/requirements.txt
index c2c6203..aedb1e9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ cmd2==0.8.7
 coloredlogs==9.0
 contextlib2==0.5.5
 coverage==4.5.1
-cryptography==2.3
+cryptography==3.2
 Cython==0.28.1
 debtcollector==1.19.0
 decorator==4.3.0