diff --git a/Gemfile b/Gemfile
index 64b98984..23348ae4 100644
--- a/Gemfile
+++ b/Gemfile
@@ -68,7 +68,7 @@ gem "jwt", "~> 2.4"
 group :development do
   gem "binding_of_caller"
   gem "byebug"
-  gem "spring", "~> 2.0"
+  gem "spring", "~> 4.0"
   gem "web-console", "~> 4.0"
 end
 
diff --git a/Gemfile.lock b/Gemfile.lock
index f17302e2..10ae8dac 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -509,7 +509,7 @@ GEM
       json
       simplecov
     simplecov_json_formatter (0.1.3)
-    spring (2.1.1)
+    spring (4.0.0)
     sprockets (3.7.2)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
@@ -642,7 +642,7 @@ DEPENDENCIES
   simplecov
   simplecov-cobertura
   simplecov-json
-  spring (~> 2.0)
+  spring (~> 4.0)
   timecop
   turbolinks (~> 2.5.3)
   twitter