diff --git a/requirements.txt b/requirements.txt
index 43d8ead..4bfae3c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ cloudpickle==0.6.1
 colorama==0.3.9
 coverage==4.5.2
 cycler==0.10.0
-cryptography==2.7
+cryptography==3.2
 decorator==4.3.0
 dill==0.2.8.2
 entrypoints==0.2.3