diff --git a/requirements.txt b/requirements.txt
index 7fb68ed..118d991 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ Click==7.0
 cloudpickle==0.6.1
 commonmark==0.8.1
 configparser==3.5.0
-cryptography==2.4.2
+cryptography==3.2
 cycler==0.10.0
 dask==1.0.0
 decorator==4.3.0