diff --git a/tox.ini b/tox.ini
index c3502c2ca..fdd227d02 100644
--- a/tox.ini
+++ b/tox.ini
@@ -33,6 +33,7 @@ deps =
     cssselect==0.9.1
     lxml==3.5.0
     parsel==1.5.0
+    Protego=0.1.15
     PyDispatcher==2.0.5
     pyOpenSSL==16.2.0
     queuelib==1.4.2
@@ -69,6 +70,7 @@ deps =
     cssselect==0.9.1
     lxml==3.5.0
     parsel==1.5.0
+    Protego=0.1.15
     PyDispatcher==2.0.5
     pyOpenSSL==16.2.0
     queuelib==1.4.2