diff --git a/requirements.txt b/requirements.txt
index 109861a..936cfe4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -35,7 +35,7 @@ colorama==0.3.9
 conda==4.3.30
 configparser==3.5.0
 contextlib2==0.5.5
-cryptography==1.8.1
+cryptography==3.2
 cycler==0.10.0
 cymem==1.31.2
 Cython==0.25.2