diff --git a/Gemfile.lock b/Gemfile.lock
index 5752044b07..016f600bcc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -171,7 +171,7 @@ GEM
     jwt (1.5.6)
     kgio (2.11.2)
     kramdown (1.17.0)
-    libv8 (6.7.288.46.1)
+    libv8 (6.3.292.48.1)
     listen (3.1.5)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
@@ -198,8 +198,8 @@ GEM
     method_source (0.8.2)
     mini_mime (1.0.0)
     mini_portile2 (2.3.0)
-    mini_racer (0.2.0)
-      libv8 (>= 6.3)
+    mini_racer (0.1.15)
+      libv8 (~> 6.3)
     mini_scheduler (0.8.1)
     mini_sql (0.1.10)
     mini_suffix (0.3.0)