diff --git a/IPPool/requirements.txt b/IPPool/requirements.txt
index 1d57290..ecb00e9 100644
--- a/IPPool/requirements.txt
+++ b/IPPool/requirements.txt
@@ -8,7 +8,7 @@ chardet==3.0.4
 click==6.7
 constantly==15.1.0
 crypto==1.4.1
-cryptography==2.3
+cryptography==3.2
 cssselect==1.0.1
 demjson==2.2.4
 enum34==1.1.6