diff --git a/Gemfile.lock b/Gemfile.lock
index 5cb3595..3e64658 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -67,7 +67,7 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.10.0)
-    concurrent-ruby (1.0.2)
+    concurrent-ruby (1.1.5)
     crass (1.0.5)
     debug_inspector (0.0.2)
     devise (4.7.1)
@@ -209,7 +209,7 @@ GEM
       rdoc (~> 4.0)
     slop (3.6.0)
     spring (1.7.2)
-    sprockets (3.7.0)
+    sprockets (3.7.2)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
     sprockets-rails (3.1.1)