diff --git a/Gemfile b/Gemfile
index 8eaa1fb..7648ffb 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,6 +2,7 @@ source "https://rubygems.org"
 
 gem "rails", "~> 5.2.7"
 gem "bootsnap"
+gem "sprockets", "< 4"
 
 gem "sqlite3"
 gem "pg"
@@ -31,7 +32,7 @@ gem "carrierwave"
 # gem 'rmagick'
 gem "mini_magick"
 
-gem "refile", github: "refile/refile", require: ["refile/rails", "refile/simple_form"]
+gem "refile", git: "https://github.com/refile/refile", require: ["refile/rails", "refile/simple_form"]
 gem "refile-mini_magick"
 gem "image_processing"
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 718b732..2f78147 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,6 +1,6 @@
 GIT
-  remote: git://github.com/refile/refile.git
-  revision: e690bf5c2d83b3dfd805764d54e8f5daf14993b0
+  remote: https://github.com/refile/refile
+  revision: c4ac577c6fdad92bc079a62a0e82888319daedc8
   specs:
     refile (0.7.0)
       mime-types
@@ -407,7 +407,7 @@ GEM
     spring (2.1.0)
     spring-commands-rspec (1.0.4)
       spring (>= 0.9.1)
-    sprockets (4.0.3)
+    sprockets (3.7.2)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
     sprockets-rails (3.4.2)
@@ -507,6 +507,7 @@ DEPENDENCIES
   slim-rails
   spring
   spring-commands-rspec
+  sprockets (< 4)
   sqlite3
   standard
   uglifier