diff --git a/requirements.txt b/requirements.txt
index 2b29e5f..9560a4c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ bottle==0.12.16
 certifi==2018.11.29
 cffi==1.13.2
 chardet==3.0.4
-cryptography==2.5
+cryptography==3.2
 decorator==4.3.0
 deepdictiterator==0.0.1
 dictdiffer==0.8.0