diff --git a/environment/requirements.txt b/environment/requirements.txt
index 6b16793..8e31130 100644
--- a/environment/requirements.txt
+++ b/environment/requirements.txt
@@ -15,7 +15,7 @@ chardet==3.0.4
 Click==7.0
 cloudpickle==0.6.1
 colorama==0.3.9
-cryptography==2.3.1
+cryptography==3.2
 cycler==0.10.0
 Cython==0.29.1
 dask==1.0.0