diff --git a/requirements.txt b/requirements.txt
index 4d1cafb..20735ee 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ colorama==0.3.7
 command-not-found==0.3
 configobj==5.0.6
 constantly==15.1.0
-cryptography==2.1.4
+cryptography==3.2
 cudamat==0.3
 cycler==0.10.0
 Cython==0.28.5