diff --git a/Gemfile.lock b/Gemfile.lock
index bdb4572..6afeda3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -57,7 +57,7 @@ GEM
       rack (>= 1.0.0)
       rack-test (>= 0.5.4)
       xpath (~> 2.0)
-    concurrent-ruby (1.0.4)
+    concurrent-ruby (1.1.6)
     crass (1.0.6)
     devise (4.2.0)
       bcrypt (~> 3.0)
@@ -177,7 +177,7 @@ GEM
       actionpack (>= 3.1)
       railties (>= 3.1)
       slim (~> 3.0)
-    sprockets (3.7.1)
+    sprockets (3.7.2)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
     sprockets-rails (3.2.0)