diff --git a/Gemfile b/Gemfile
index e3de35a..203ae4f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -99,4 +99,5 @@ gem 'mini_magick'
 gem 'redis-rails'
 gem 'redis-namespace'
 gem 'mina'
+gem 'mina_extensions'
 gem 'rest_client'
diff --git a/Gemfile.lock b/Gemfile.lock
index f648c22..70c1c2c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -60,7 +60,6 @@ GEM
       mongoid-grid_fs (>= 1.3, < 3.0)
     celluloid (0.15.2)
       timers (~> 1.1.0)
-    coderay (1.1.0)
     coffee-rails (4.0.1)
       coffee-script (>= 2.2.0)
       railties (>= 4.0.0, < 5.0)
@@ -133,11 +132,11 @@ GEM
     mail (2.5.4)
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
-    method_source (0.8.2)
     mime-types (1.25.1)
     mina (0.3.0)
       open4
       rake
+    mina_extensions (0.0.2)
     mini_magick (3.7.0)
       subexec (~> 0.2.1)
     mini_portile (0.6.0)
@@ -183,10 +182,6 @@ GEM
     origin (2.1.1)
     orm_adapter (0.5.0)
     polyglot (0.3.5)
-    pry (0.10.0)
-      coderay (~> 1.1.0)
-      method_source (~> 0.8.1)
-      slop (~> 3.4)
     rack (1.5.2)
     rack-test (0.6.2)
       rack (>= 1.0)
@@ -282,7 +277,6 @@ GEM
       multi_json (~> 1.0)
       simplecov-html (~> 0.7.1)
     simplecov-html (0.7.1)
-    slop (3.5.0)
     spring (1.1.3)
     sprockets (2.11.0)
       hike (~> 1.2)
@@ -341,6 +335,7 @@ DEPENDENCIES
   jquery-rails
   linkedin
   mina
+  mina_extensions
   mini_magick
   mongoid
   omniauth-google-oauth2