diff --git a/python/greenpi/requirements.txt b/python/greenpi/requirements.txt
index 4b9ec74..f7713d3 100644
--- a/python/greenpi/requirements.txt
+++ b/python/greenpi/requirements.txt
@@ -13,7 +13,7 @@ colorama==0.3.7
 colorzero==1.1
 configparser==3.5.0b2
 cookies==2.2.1
-cryptography==2.6.1
+cryptography==3.2
 drumhat==0.1.0
 entrypoints==0.3
 enum34==1.1.6