diff --git a/setup.py b/setup.py
index <HASH>..<HASH> 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,7 @@ deps = ['fxos-appgen>=0.2.10',
         'marionette_client>=0.7.1.1',
         'marionette_extension >= 0.4',
         'mozdevice >= 0.33',
-        'mozlog >= 1.8',
+        'mozlog == 1.8',
         'moznetwork >= 0.24',
         'mozprocess >= 0.18',
         'wptserve >= 1.0.1',
Freeze mozlog version because of proposed API changes.