diff --git a/requirements.txt b/requirements.txt
index 3ed24bd..c602630 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ certifi>=2019.6.16
 cffi==1.11.5
 chardet==3.0.4
 cloudpickle==0.8.0
-cryptography==2.3.1
+cryptography==3.2
 cycler==0.10.0
 Cython==0.29.6
 dask==1.1.4