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  <div class="section" id="upgrading-from-3-1-6-to-3-1-7">
<h1>Upgrading from 3.1.6 to 3.1.7<a class="headerlink" href="#upgrading-from-3-1-6-to-3-1-7" title="Permalink to this headline">¶</a></h1>
<p>Before performing an update you should take your site offline by
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<div class="section" id="step-1-update-your-codeigniter-files">
<h2>Step 1: Update your CodeIgniter files<a class="headerlink" href="#step-1-update-your-codeigniter-files" title="Permalink to this headline">¶</a></h2>
<p>Replace all files and directories in your <em>system/</em> directory.</p>
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<h2>Step 2: Remove usage of CAPTCHA helper extra parameters (deprecation)<a class="headerlink" href="#step-2-remove-usage-of-captcha-helper-extra-parameters-deprecation" title="Permalink to this headline">¶</a></h2>
<p>The <a class="reference internal" href="../helpers/captcha_helper.html"><span class="doc">CAPTCHA Helper</span></a> function
<a class="reference internal" href="../helpers/captcha_helper.html#create_captcha" title="create_captcha"><code class="xref php php-func docutils literal"><span class="pre">create_captcha()</span></code></a> allows passing of its <code class="docutils literal"><span class="pre">img_path</span></code>, <code class="docutils literal"><span class="pre">img_url</span></code>
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