diff --git a/Gemfile.lock b/Gemfile.lock
index 8d45eff61..d10d2e53b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -81,7 +81,7 @@ GIT
 
 GIT
   remote: https://github.com/basecamp/signal_id
-  revision: 129483ccc1d9452fa7713080fcbf0c012b2f4107
+  revision: 8908b2550ff55325b04c108146e00b4408a64e93
   branch: rails4
   specs:
     signal_id (4.3.2)