diff --git a/requirements.txt b/requirements.txt
index c735c01..9bb9e91 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ chardet==3.0.4
 click==7.1.1
 colorama==0.4.3
 country-converter==0.6.7
-cryptography==2.1.4
+cryptography==3.2
 docutils==0.15.2
 durationpy==0.5
 Flask==0.12.1