diff --git a/Gemfile.lock b/Gemfile.lock
index 198dbd83..8b39c32e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -923,7 +923,7 @@ GEM
     kramdown (2.1.0)
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
-    libv8 (6.7.288.46.1)
+    libv8 (7.3.492.27.1)
     listen (3.1.5)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
@@ -950,8 +950,8 @@ GEM
     mimemagic (0.3.3)
     mini_mime (1.0.1)
     mini_portile2 (2.4.0)
-    mini_racer (0.2.4)
-      libv8 (>= 6.3)
+    mini_racer (0.2.6)
+      libv8 (>= 6.9.411)
     minitest (5.11.3)
     mixpanel-ruby (2.2.1)
     moneta (1.1.1)