diff --git a/Gemfile.lock b/Gemfile.lock
index 43d0aadf..4db990a4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -599,9 +599,10 @@ GEM
     snaky_hash (2.0.3)
       hashie (>= 0.1.0, < 6)
       version_gem (>= 1.1.8, < 3)
-    sprockets (4.0.2)
+    sprockets (4.2.2)
       concurrent-ruby (~> 1.0)
-      rack (> 1, < 3)
+      logger
+      rack (>= 2.2.4, < 4)
     sprockets-rails (3.2.2)
       actionpack (>= 4.0)
       activesupport (>= 4.0)