diff --git a/requirements.txt b/requirements.txt
index 96d0871..6c62651 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ certifi==2017.11.5
 cffi==1.11.2
 chardet==3.0.4
 conda==4.4.8
-cryptography==2.1.4
+cryptography==3.2
 cycler==0.10.0
 decorator==4.2.1
 future==0.16.0