diff --git a/requirements.txt b/requirements.txt
index 9e1cf1c..5adac04 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ certifi==2019.11.28
 cffi==1.14.0
 chardet==3.0.4
 Click==7.0
-cryptography==2.8
+cryptography==3.2
 Cython==0.21.2
 decorator==4.4.1
 deepwalk==1.0.2