diff --git a/requirements.txt b/requirements.txt
index c7170f9..b8f0fb1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ Cap1xxx==0.1.3
 chardet==2.3.0
 Click==7.0
 colorama==0.3.7
-cryptography==1.7.1
+cryptography==3.2
 cycler==0.10.0
 drumhat==0.0.5
 enum34==1.1.6