diff --git a/requirements.txt b/requirements.txt
index 5fc77d3..1e055ae 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ MarkupSafe==1.0
 MySQL-python==1.2.5
 olefile==0.44
 Pillow==4.2.1
-pycryptodome==3.4.7
+pycryptodome==3.6.6
 python-alipay-sdk==1.4.0
 python-dateutil==2.6.1
 python-editor==1.0.3