diff --git a/Gemfile.lock b/Gemfile.lock
index dab05cf..83144e9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -153,7 +153,7 @@ GEM
       ruby_dep (~> 1.2)
     loofah (2.0.3)
       nokogiri (>= 1.5.9)
-    lumberjack (1.0.11)
+    lumberjack (1.0.12)
     mail (2.6.5)
       mime-types (>= 1.16, < 4)
     mailcatcher (0.6.5)