diff --git a/Gemfile b/Gemfile
index 17b0b287dee526..3202157737323c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ gem 'rexml', '~> 3.2'
 
 gem 'puma', '~> 6.1'
 gem 'rails', '~> 6.1.7'
-gem 'sprockets', '~> 3.7.2'
+gem 'sprockets', '~> 4.2.0'
 gem 'thor', '~> 1.2'
 gem 'rack', '~> 2.2.6'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 965832094ec4ba..b4d025f6d0d33d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -675,9 +675,9 @@ GEM
     simplecov-html (0.12.3)
     simplecov_json_formatter (0.1.4)
     smart_properties (1.17.0)
-    sprockets (3.7.2)
+    sprockets (4.2.0)
       concurrent-ruby (~> 1.0)
-      rack (> 1, < 3)
+      rack (>= 2.2.4, < 4)
     sprockets-rails (3.4.2)
       actionpack (>= 5.2)
       activesupport (>= 5.2)
@@ -886,7 +886,7 @@ DEPENDENCIES
   simple-navigation (~> 4.4)
   simple_form (~> 5.2)
   simplecov (~> 0.22)
-  sprockets (~> 3.7.2)
+  sprockets (~> 4.2.0)
   sprockets-rails (~> 3.4)
   stackprof
   stoplight (~> 3.0.1)