diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 2761ccb..6bc32e6
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 beautifulsoup4
-dnspython==2.3.0
+dnspython==2.6.1
 ipwhois
 requests
 selenium