diff --git a/Gemfile.lock b/Gemfile.lock
index 4979b036e..725ea9068 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -145,7 +145,7 @@ GEM
       thor (~> 0.15)
     libv8 (3.16.14.7)
     listen (0.7.3)
-    logster (0.8.3)
+    logster (0.8.4.1.pre)
     lru_redux (1.1.0)
     mail (2.5.4)
       mime-types (~> 1.16)