diff --git a/Gemfile.lock b/Gemfile.lock
index c3ae525..ed2c96c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -158,7 +158,7 @@ GEM
     kgio (2.11.2)
     launchy (2.4.3)
       addressable (~> 2.3)
-    libv8 (3.16.14.19)
+    libv8 (3.16.14.19-x86_64-darwin-16)
     listen (3.1.5)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)