diff --git a/Gemfile.lock b/Gemfile.lock
index 801311a..b2f0a7c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -102,7 +102,7 @@ GEM
       forwardable-extended (~> 2.6)
     public_suffix (4.0.6)
     racc (1.5.2)
-    rack (2.2.3)
+    rack (3.0.7)
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
@@ -113,9 +113,9 @@ GEM
     safe_yaml (1.0.5)
     sassc (2.4.0)
       ffi (~> 1.9)
-    sprockets (4.0.2)
+    sprockets (4.2.0)
       concurrent-ruby (~> 1.0)
-      rack (> 1, < 3)
+      rack (>= 2.2.4, < 4)
     terminal-table (2.0.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
     tzinfo (2.0.4)