diff --git a/requirements.all.txt b/requirements.all.txt
index 8f491f7..fd76866 100644
--- a/requirements.all.txt
+++ b/requirements.all.txt
@@ -6,7 +6,7 @@ cffi==1.11.5
 chardet==3.0.4
 click==6.7
 colorama==0.3.9
-cryptography==2.2.2
+cryptography==3.2
 decorator==4.3.0
 Flask==1.0.2
 Flask-SQLAlchemy==2.3.2