diff --git a/etc/requirements_ci.txt b/etc/requirements_ci.txt
index 1371bb72c..5de00b44e 100644
--- a/etc/requirements_ci.txt
+++ b/etc/requirements_ci.txt
@@ -5,7 +5,7 @@ botocore==1.4.68
 cffi==1.8.3
 click==6.6
 cloudpickle==0.2.1
-cryptography==1.5.2
+cryptography==3.2
 dask==0.11.1
 decorator==4.0.10
 distributed==1.13.3