diff --git a/site/Gemfile.lock b/site/Gemfile.lock
index 065107ec25f..6dfe07abdba 100644
--- a/site/Gemfile.lock
+++ b/site/Gemfile.lock
@@ -70,8 +70,8 @@ GEM
     middleman-syntax (1.2.1)
       middleman-core (~> 3.0)
       rouge (~> 0.3.0)
-    multi_json (1.8.2)
-    rack (1.5.2)
+    multi_json (1.15.0)
+    rack (1.6.13)
     rack-livereload (0.3.15)
       rack
     rack-test (0.6.2)
@@ -85,7 +85,7 @@ GEM
     rouge (0.3.10)
       thor
     sass (3.2.12)
-    sprockets (2.10.0)
+    sprockets (2.12.5)
       hike (~> 1.2)
       multi_json (~> 1.0)
       rack (~> 1.0)