diff --git a/Gemfile.lock b/Gemfile.lock
index 39781e0..7071f98 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -110,7 +110,7 @@ GEM
     polyglot (0.3.3)
     quiet_assets (1.0.2)
       railties (>= 3.1, < 5.0)
-    rack (1.4.5)
+    rack (1.4.7)
     rack-cache (1.2)
       rack (>= 0.4)
     rack-ssl (1.3.3)
@@ -155,7 +155,7 @@ GEM
     simple_form (2.1.0)
       actionpack (~> 3.0)
       activemodel (~> 3.0)
-    sprockets (2.2.2)
+    sprockets (2.2.3)
       hike (~> 1.2)
       multi_json (~> 1.0)
       rack (~> 1.0)