diff --git a/requirements.txt b/requirements.txt
index bf7ade3..ee1d069 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 asn1crypto==1.3.0
-cryptography==2.8
+cryptography==3.2
 requests==2.23.0
 WeasyPrint==52