diff --git a/Gemfile.lock b/Gemfile.lock
index ac755df..2b5a289 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -18,7 +18,7 @@ GEM
     activesupport (3.1.1)
       multi_json (~> 1.0)
     arel (2.2.1)
-    bson (1.3.1)
+    bson (1.12.5)
     bson_ext (1.3.1)
     builder (3.0.0)
     diff-lcs (1.1.2)