diff --git a/requirements.txt b/requirements.txt
index 1d69bbb..76ef9df 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ certifi==2018.1.18
 cffi==1.11.5
 chardet==3.0.4
 click==6.7
-cryptography==1.7.2
+cryptography==3.2
 dominate==2.3.1
 elasticsearch==6.2.0
 Flask==0.12.2