Remove version restriction

Gemfile

@@ -13,10 +13,9 @@ gem 'paperclip'
 gem 'resque'
 gem 'resque-status'
 gem 'resque_mailer'
-gem 'resque-scheduler', '~> 2.5.4'
+gem 'resque-scheduler'
 gem 'perform_later', git: 'git://github.com/KensoDev/perform_later.git' # should be after resque_mailer
 gem 'russian'
-gem 'highline', '~> 1.6.20'
 gem 'state_machines-activerecord'
 gem 'redis-rails'
 

Gemfile.lock

@@ -170,7 +170,6 @@ GEM
       actionpack (>= 3.2, < 5)
       activesupport (>= 3.2, < 5)
     hashdiff (0.3.0)
-    highline (1.6.21)
     hirb (0.7.3)
     html2haml (2.0.0)
       erubis (~> 2.7.0)
@@ -327,7 +326,7 @@ GEM
     rb-fsevent (0.9.7)
     rb-inotify (0.9.7)
       ffi (>= 0.5.0)
-    redis (3.0.7)
+    redis (3.3.0)
     redis-actionpack (4.0.1)
       actionpack (~> 4)
       redis-rack (~> 1.5.0)
@@ -351,17 +350,17 @@ GEM
     ref (2.0.0)
     responders (2.2.0)
       railties (>= 4.2.0, < 5.1)
-    resque (1.25.2)
+    resque (1.26.0)
       mono_logger (~> 1.0)
       multi_json (~> 1.0)
       redis-namespace (~> 1.3)
       sinatra (>= 0.9.2)
       vegas (~> 0.1.2)
-    resque-scheduler (2.5.5)
+    resque-scheduler (4.2.0)
       mono_logger (~> 1.0)
-      redis (~> 3.0.4)
-      resque (~> 1.25.1)
-      rufus-scheduler (~> 2.0.24)
+      redis (~> 3.0)
+      resque (~> 1.25)
+      rufus-scheduler (~> 3.2)
     resque-status (0.5.0)
       resque (~> 1.19)
     resque_mailer (2.3.0)
@@ -393,8 +392,7 @@ GEM
       sprockets (>= 2.0.0)
     ruby_parser (3.8.2)
       sexp_processor (~> 4.1)
-    rufus-scheduler (2.0.24)
-      tzinfo (>= 0.3.22)
+    rufus-scheduler (3.2.1)
     russian (0.6.0)
       i18n (>= 0.5.0)
     safe_yaml (1.0.4)
@@ -557,7 +555,6 @@ DEPENDENCIES
   faraday-http-cache
   friendly_id
   haml-rails
-  highline (~> 1.6.20)
   hirb
   jbuilder
   js-routes
@@ -588,7 +585,7 @@ DEPENDENCIES
   redis-rails
   redis-semaphore
   resque
-  resque-scheduler (~> 2.5.4)
+  resque-scheduler
   resque-status
   resque_mailer
   rest-client