diff --git a/requirements.txt b/requirements.txt
index a638c77..2fd0c92 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ asn1crypto==0.24.0
 certifi==2019.3.9
 cffi==1.12.2
 chardet==3.0.4
-cryptography==2.6.1
+cryptography==3.2
 idna==2.8
 numpy==1.16.2
 pandas==0.24.2