diff --git a/Gemfile.lock b/Gemfile.lock
index 7d36b04..6ff6f58 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -92,7 +92,7 @@ GEM
       rouge (~> 1.0)
     mini_portile2 (2.4.0)
     minitest (5.8.4)
-    multi_json (1.11.2)
+    multi_json (1.14.1)
     nokogiri (1.10.4)
       mini_portile2 (~> 2.4.0)
     padrino-helpers (0.12.5)
@@ -112,7 +112,7 @@ GEM
     redcarpet (3.3.4)
     rouge (1.10.1)
     sass (3.4.21)
-    sprockets (2.12.4)
+    sprockets (2.12.5)
       hike (~> 1.2)
       multi_json (~> 1.0)
       rack (~> 1.0)