diff --git a/requirements.txt b/requirements.txt
index 1b7d9da..9519f83 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ cloudpickle==0.5.2
 colorama==0.3.9
 colorlog==4.0.2
 contextlib2==0.5.5
-cryptography==2.1.4
+cryptography==3.2
 cycler==0.10.0
 Cython==0.27.3
 cytoolz==0.9.0