diff --git a/requirements.txt b/requirements.txt
index 467a174..b9d73ad 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ certifi==2018.10.15
 cffi==1.11.5
 chardet==3.0.4
 click==6.7
-cryptography==2.3.1
+cryptography==3.2
 cycler==0.10.0
 decorator==4.3.0
 defaultcontext==1.1.1