diff --git a/requirements.txt b/requirements.txt
index e1c67d1..0b02c9a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ Pillow
 netaddr
 scapy
 dnslib
-Twisted
+Twisted==15.0.0
 lxml
 pefile
 ipy
@@ -23,4 +23,4 @@ python-magic
 msgpack-python
 requests
 pypcap
-chardet
\ No newline at end of file
+chardet