diff --git a/tox.ini b/tox.ini
index fdd227d02..ffe7360d3 100644
--- a/tox.ini
+++ b/tox.ini
@@ -33,7 +33,7 @@ deps =
     cssselect==0.9.1
     lxml==3.5.0
     parsel==1.5.0
-    Protego=0.1.15
+    Protego==0.1.15
     PyDispatcher==2.0.5
     pyOpenSSL==16.2.0
     queuelib==1.4.2
@@ -70,7 +70,7 @@ deps =
     cssselect==0.9.1
     lxml==3.5.0
     parsel==1.5.0
-    Protego=0.1.15
+    Protego==0.1.15
     PyDispatcher==2.0.5
     pyOpenSSL==16.2.0
     queuelib==1.4.2