diff --git a/requirements.txt b/requirements.txt
index 97e2469..e196638 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ click==6.7
 click-plugins==1.0.3
 cligj==0.4.0
 cmsplugin-filer==1.1.3
-cryptography==2.0.3
+cryptography==39.0.1
 cycler==0.10.0
 descartes==1.1.0
 dj-database-url==0.4.2