diff --git a/requirements.txt b/requirements.txt
index 9745a01..1535419 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -37,7 +37,7 @@ cloudpickle==1.2.2
 colorama==0.4.1
 contextlib2==0.6.0
 convertapi==1.1.1
-cryptography==2.7
+cryptography==3.2
 cycler==0.10.0
 cymem==2.0.3
 Cython==0.29.13