diff --git a/Gemfile b/Gemfile
index 3bca5dfc..f5eeed13 100644
--- a/Gemfile
+++ b/Gemfile
@@ -273,6 +273,7 @@ group :development, :test, :linters do
   # as debugger
   gem 'byebug'
   gem 'pry'
+  gem 'pry-byebug'
 
   # Linters and static analysis.
   gem 'pronto', require: false
diff --git a/Gemfile.lock b/Gemfile.lock
index c963a368..eddf2cfd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -164,10 +164,10 @@ GEM
     docile (1.3.5)
     domain_name (0.5.20180417)
       unf (>= 0.0.5, < 1.0.0)
-    dotenv (2.7.5)
-    dotenv-rails (2.7.5)
-      dotenv (= 2.7.5)
-      railties (>= 3.2, < 6.1)
+    dotenv (2.7.6)
+    dotenv-rails (2.7.6)
+      dotenv (= 2.7.6)
+      railties (>= 3.2)
     erubi (1.10.0)
     erubis (2.7.0)
     execjs (2.7.0)
@@ -191,8 +191,8 @@ GEM
       path_expander (~> 1.0)
       ruby_parser (~> 3.0)
       sexp_processor (~> 4.0)
-    font-awesome-rails (4.7.0.5)
-      railties (>= 3.2, < 6.1)
+    font-awesome-rails (4.7.0.7)
+      railties (>= 3.2, < 7)
     formatador (0.2.5)
     formtastic (3.1.5)
       actionpack (>= 3.2.13)
@@ -325,7 +325,7 @@ GEM
     multipart-post (2.1.1)
     nenv (0.3.0)
     netrc (0.11.0)
-    nio4r (2.5.5)
+    nio4r (2.5.7)
     nokogiri (1.11.1)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
@@ -419,8 +419,11 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
       slop (~> 3.4)
+    pry-byebug (3.8.0)
+      byebug (~> 11.0)
+      pry (~> 0.10)
     public_suffix (3.1.1)
-    puma (5.2.1)
+    puma (5.2.2)
       nio4r (~> 2.0)
     racc (1.5.2)
     rack (2.2.3)
@@ -462,10 +465,10 @@ GEM
     rails-assets-to-markdown (3.1.1)
     rails-assets-trianglify (1.2.0)
     rails-assets-waypoints (4.0.0)
-    rails-controller-testing (1.0.4)
-      actionpack (>= 5.0.1.x)
-      actionview (>= 5.0.1.x)
-      activesupport (>= 5.0.1.x)
+    rails-controller-testing (1.0.5)
+      actionpack (>= 5.0.1.rc1)
+      actionview (>= 5.0.1.rc1)
+      activesupport (>= 5.0.1.rc1)
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
@@ -746,6 +749,7 @@ DEPENDENCIES
   pronto-haml
   pronto-rubocop
   pry
+  pry-byebug
   puma (~> 5.2)
   rails (~> 5.2)
   rails-assets-bootstrap-markdown!
diff --git a/config/initializers/carrierwave.rb b/config/initializers/carrierwave.rb
index e9a315d8..64889d47 100644
--- a/config/initializers/carrierwave.rb
+++ b/config/initializers/carrierwave.rb
@@ -1,5 +1,6 @@
 CarrierWave.configure do |config|
   config.storage = :file
+  config.cache_storage = :file
   config.cache_dir = "#{Rails.root}/tmp/uploads"
   config.enable_processing = false if Rails.env.test?
 end