diff --git a/Gemfile.lock b/Gemfile.lock
index 63caf9e..c49e4c8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -122,6 +122,7 @@ GEM
     listen (3.9.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
+    logger (1.7.0)
     mercenary (0.4.0)
     metrics (0.12.2)
     mini_magick (4.13.2)
@@ -159,8 +160,9 @@ GEM
       rake (>= 13)
     sassc (2.4.0)
       ffi (~> 1.9)
-    sprockets (4.2.1)
+    sprockets (4.2.2)
       concurrent-ruby (~> 1.0)
+      logger
       rack (>= 2.2.4, < 4)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)