diff --git a/app/assets/images/apple-touch-icon-114x114-precomposed.png b/app/assets/images/apple-touch-icon-114x114-precomposed.png
deleted file mode 100644
index da2e15d..0000000
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diff --git a/app/assets/images/apple-touch-icon-120x120-precomposed.png b/app/assets/images/apple-touch-icon-120x120-precomposed.png
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index 0000000..6ab3e83
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diff --git a/app/assets/images/apple-touch-icon-144x144-precomposed.png b/app/assets/images/apple-touch-icon-144x144-precomposed.png
deleted file mode 100644
index 5e5580b..0000000
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diff --git a/app/assets/images/apple-touch-icon-152x152-precomposed.png b/app/assets/images/apple-touch-icon-152x152-precomposed.png
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index 0000000..d22748b
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diff --git a/app/assets/images/apple-touch-icon-72x72-precomposed.png b/app/assets/images/apple-touch-icon-72x72-precomposed.png
deleted file mode 100644
index bbf1344..0000000
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diff --git a/app/assets/images/apple-touch-icon-76x76-precomposed.png b/app/assets/images/apple-touch-icon-76x76-precomposed.png
new file mode 100644
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diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
index da21961..7076164 100644
--- a/app/views/layouts/application.html.erb
+++ b/app/views/layouts/application.html.erb
@@ -14,16 +14,16 @@
   <%= javascript_include_tag "application", :defer => "defer" %>
   
   <!-- For third-generation iPad with high-resolution Retina display: -->
-  <!-- Size should be 144 x 144 pixels -->
-  <%= favicon_link_tag 'apple-touch-icon-144x144-precomposed.png', :rel => 'apple-touch-icon-precomposed', :type => 'image/png', :sizes => '144x144' %>
+  <!-- Size should be 152 x 152 pixels -->
+  <%= favicon_link_tag 'apple-touch-icon-152x152-precomposed.png', :rel => 'apple-touch-icon-precomposed', :type => 'image/png', :sizes => '152x152' %>
 
   <!-- For iPhone with high-resolution Retina display: -->
-  <!-- Size should be 114 x 114 pixels -->
-  <%= favicon_link_tag 'apple-touch-icon-114x114-precomposed.png', :rel => 'apple-touch-icon-precomposed', :type => 'image/png', :sizes => '114x114' %>
+  <!-- Size should be 120 x 120 pixels -->
+  <%= favicon_link_tag 'apple-touch-icon-120x120-precomposed.png', :rel => 'apple-touch-icon-precomposed', :type => 'image/png', :sizes => '120x120' %>
 
   <!-- For first- and second-generation iPad: -->
-  <!-- Size should be 72 x 72 pixels -->
-  <%= favicon_link_tag 'apple-touch-icon-72x72-precomposed.png', :rel => 'apple-touch-icon-precomposed', :type => 'image/png', :sizes => '72x72' %>
+  <!-- Size should be 76 x 76 pixels -->
+  <%= favicon_link_tag 'apple-touch-icon-76x76-precomposed.png', :rel => 'apple-touch-icon-precomposed', :type => 'image/png', :sizes => '76x76' %>
 
   <!-- For non-Retina iPhone, iPod Touch, and Android 2.1+ devices: -->
   <!-- Size should be 57 x 57 pixels -->