diff --git a/lib/rdoc/generator/template/aliki/_head.rhtml b/lib/rdoc/generator/template/aliki/_head.rhtml
index 8d46376d6c..d7392f3487 100644
--- a/lib/rdoc/generator/template/aliki/_head.rhtml
+++ b/lib/rdoc/generator/template/aliki/_head.rhtml
@@ -4,72 +4,106 @@
 <title><%= h @title %></title>
 
 <%- if defined?(klass) %>
-  <meta name="keywords" content="ruby,<%= h "#{klass.type},#{klass.full_name}" %>">
-
+  <meta
+    name="keywords"
+    content="ruby,<%= h "#{klass.type},#{klass.full_name}" %>"
+  >
   <%- if klass.comment.empty? %>
-    <meta name="description" content="Documentation for the <%= h "#{klass.full_name} #{klass.type}" %>">
+    <meta
+      name="description"
+      content="Documentation for the <%= h "#{klass.full_name} #{klass.type}" %>"
+    >
   <%- else %>
-    <meta name="description" content="<%= h "#{klass.type} #{klass.full_name}: #{excerpt(klass.comment)}" %>">
+    <meta
+      name="description"
+      content="<%= h "#{klass.type} #{klass.full_name}: #{excerpt(klass.comment)}" %>"
+    >
   <%- end %>
 <%- elsif defined?(file) %>
   <meta name="keywords" content="ruby,documentation,<%= h file.page_name %>">
-  <meta name="description" content="<%= h "#{file.page_name}: #{excerpt(file.comment)}" %>">
+  <meta
+    name="description"
+    content="<%= h "#{file.page_name}: #{excerpt(file.comment)}" %>"
+  >
 <%- elsif @title %>
   <meta name="keywords" content="ruby,documentation,<%= h @title %>">
-
   <%- if @options.main_page and
       main_page = @files.find { |f| f.full_name == @options.main_page } then %>
-    <meta name="description" content="<%= h "#{@title}: #{excerpt(main_page.comment)}" %>">
+    <meta
+      name="description"
+      content="<%= h "#{@title}: #{excerpt(main_page.comment)}" %>"
+    >
   <%- else %>
     <meta name="description" content="Documentation for <%= h @title %>">
   <%- end %>
 <%- end %>
 
 <%- if canonical_url = @options.canonical_root %>
-<% canonical_url = current.canonical_url if defined?(current) %>
-<link rel="canonical" href="<%= canonical_url %>">
+  <% canonical_url = current.canonical_url if defined?(current) %>
+  <link rel="canonical" href="<%= canonical_url %>">
 <%- end %>
 
 <!-- Open Graph / Facebook -->
 <meta property="og:type" content="website">
 <meta property="og:title" content="<%= h @title %>">
+
 <%- if defined?(klass) %>
   <%- if klass.comment.empty? %>
-    <meta property="og:description" content="Documentation for <%= h klass.full_name %> <%= h klass.type %> - API reference and code examples">
+    <meta
+      property="og:description"
+      content="Documentation for <%= h klass.full_name %> <%= h klass.type %> - API reference and code examples"
+    >
   <%- else %>
     <meta property="og:description" content="<%= h excerpt(klass.comment) %>">
   <%- end %>
 <%- elsif defined?(file) %>
   <%- if file.comment.empty? %>
-    <meta property="og:description" content="<%= h file.page_name %> - <%= h @title %> documentation">
+    <meta
+      property="og:description"
+      content="<%= h file.page_name %> - <%= h @title %> documentation"
+    >
   <%- else %>
     <meta property="og:description" content="<%= h excerpt(file.comment) %>">
   <%- end %>
 <%- else %>
-  <meta property="og:description" content="API documentation for <%= h @title %> - Browse classes, modules, and methods">
+  <meta
+    property="og:description"
+    content="API documentation for <%= h @title %> - Browse classes, modules, and methods"
+  >
 <%- end %>
+
 <%- if canonical_url = @options.canonical_root %>
-<% canonical_url = current.canonical_url if defined?(current) %>
-<meta property="og:url" content="<%= canonical_url %>">
+  <% canonical_url = current.canonical_url if defined?(current) %>
+  <meta property="og:url" content="<%= canonical_url %>">
 <%- end %>
 
 <!-- Twitter -->
 <meta name="twitter:card" content="summary">
 <meta name="twitter:title" content="<%= h @title %>">
+
 <%- if defined?(klass) %>
   <%- if klass.comment.empty? %>
-    <meta name="twitter:description" content="Documentation for <%= h klass.full_name %> <%= h klass.type %> - API reference and code examples">
+    <meta
+      name="twitter:description"
+      content="Documentation for <%= h klass.full_name %> <%= h klass.type %> - API reference and code examples"
+    >
   <%- else %>
     <meta name="twitter:description" content="<%= h excerpt(klass.comment) %>">
   <%- end %>
 <%- elsif defined?(file) %>
   <%- if file.comment.empty? %>
-    <meta name="twitter:description" content="<%= h file.page_name %> - <%= h @title %> documentation">
+    <meta
+      name="twitter:description"
+      content="<%= h file.page_name %> - <%= h @title %> documentation"
+    >
   <%- else %>
     <meta name="twitter:description" content="<%= h excerpt(file.comment) %>">
   <%- end %>
 <%- else %>
-  <meta name="twitter:description" content="API documentation for <%= h @title %> - Browse classes, modules, and methods">
+  <meta
+    name="twitter:description"
+    content="API documentation for <%= h @title %> - Browse classes, modules, and methods"
+  >
 <%- end %>
 
 <script type="text/javascript">
@@ -77,15 +111,48 @@
   var index_rel_prefix = "<%= h rel_prefix %>/";
 </script>
 
-<script src="<%= h asset_rel_prefix %>/js/theme-toggle.js"></script>
-<script src="<%= h asset_rel_prefix %>/js/navigation.js" defer></script>
-<script src="<%= h asset_rel_prefix %>/js/search.js" defer></script>
-<script src="<%= h asset_rel_prefix %>/js/search_index.js" defer></script>
-<script src="<%= h asset_rel_prefix %>/js/searcher.js" defer></script>
-<script src="<%= h asset_rel_prefix %>/js/c_highlighter.js" defer></script>
-<script src="<%= h asset_rel_prefix %>/js/aliki.js" defer></script>
+<script
+  src="<%= h asset_rel_prefix %>/js/theme-toggle.js?v=<%= h RDoc::VERSION %>"
+></script>
+
+<script
+  src="<%= h asset_rel_prefix %>/js/navigation.js?v=<%= h RDoc::VERSION %>"
+  defer
+></script>
+
+<script
+  src="<%= h asset_rel_prefix %>/js/search.js?v=<%= h RDoc::VERSION %>"
+  defer
+></script>
+
+<script
+  src="<%= h asset_rel_prefix %>/js/search_index.js?v=<%= h RDoc::VERSION %>"
+  defer
+></script>
+
+<script
+  src="<%= h asset_rel_prefix %>/js/searcher.js?v=<%= h RDoc::VERSION %>"
+  defer
+></script>
+
+<script
+  src="<%= h asset_rel_prefix %>/js/c_highlighter.js?v=<%= h RDoc::VERSION %>"
+  defer
+></script>
+
+<script
+  src="<%= h asset_rel_prefix %>/js/aliki.js?v=<%= h RDoc::VERSION %>"
+  defer
+></script>
+
+<link
+  href="<%= h asset_rel_prefix %>/css/rdoc.css?v=<%= h RDoc::VERSION %>"
+  rel="stylesheet"
+>
 
-<link href="<%= h asset_rel_prefix %>/css/rdoc.css" rel="stylesheet">
 <%- @options.template_stylesheets.each do |stylesheet| %>
-<link href="<%= h asset_rel_prefix %>/<%= File.basename stylesheet %>" rel="stylesheet">
+  <link
+    href="<%= h asset_rel_prefix %>/<%= h File.basename stylesheet %>?v=<%= h RDoc::VERSION %>"
+    rel="stylesheet"
+  >
 <%- end %>
diff --git a/lib/rdoc/version.rb b/lib/rdoc/version.rb
index 84fd51ded0..95b56ea25d 100644
--- a/lib/rdoc/version.rb
+++ b/lib/rdoc/version.rb
@@ -5,6 +5,6 @@ module RDoc
   ##
   # RDoc version you are using
 
-  VERSION = '6.16.0'
+  VERSION = '6.16.1'
 
 end