diff --git a/requirements.txt b/requirements.txt
index 46969c7..6b9ee59 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ certifi==2020.6.20
 cffi==1.14.0
 chardet==3.0.4
 cloudpickle==1.3.0
-cryptography==2.9.2
+cryptography==3.2
 cycler==0.10.0
 cytoolz==0.10.1
 dask==2.14.0