diff --git a/Gemfile b/Gemfile
index cac2c6482..39581b722 100644
--- a/Gemfile
+++ b/Gemfile
@@ -79,7 +79,7 @@ group :development, :test do
   gem 'rubocop-rails'
   gem 'rubocop-rspec'
   gem 'spring', '~>2.1.1' # remove constraint once on or past rails 5.2
-  gem 'sprockets', '~>3.7'
+  gem 'sprockets', '~>4.1'
   gem 'ten_years_rails'
 end
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 701aac0cd..0ba22fc3b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -438,7 +438,7 @@ GEM
     spring (2.1.1)
     spring-commands-rspec (1.0.4)
       spring (>= 0.9.1)
-    sprockets (3.7.2)
+    sprockets (4.1.1)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
     sprockets-rails (3.2.2)
@@ -551,7 +551,7 @@ DEPENDENCIES
   sidetiq (~> 0.7)
   spring (~> 2.1.1)
   spring-commands-rspec
-  sprockets (~> 3.7)
+  sprockets (~> 4.1)
   standby
   stringex (~> 2.8)
   strong_migrations