diff --git a/requirements.txt b/requirements.txt
index 0ba8855..4fe131b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,4 +3,5 @@ bs4
 lxml
 dnslib
 aiohttp
-tldextract
\ No newline at end of file
+tldextract
+cryptography
\ No newline at end of file