diff --git a/requirements.txt b/requirements.txt
index 52cf835..b23f523 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ certifi==2019.6.16
 cffi==1.12.3
 chardet==3.0.4
 Click==7.0
-cryptography==2.7
+cryptography==3.2
 cymem==2.0.2
 cytoolz==0.9.0.1
 dill==0.2.9