diff --git a/requirements.txt b/requirements.txt
index de86008..a27865c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ certifi==2017.4.17
 cffi==1.10.0
 chardet==3.0.4
 colorama==0.3.9
-cryptography==1.9
+cryptography==3.2
 cycler==0.10.0
 decorator==4.0.11
 entrypoints==0.2.3