r <a class="reference external" href="https://github.com/fortran-lang/fpm">fpm</a> project,
add the following to your <code class="docutils literal notranslate"><span class="pre">fpm.toml</span></code> file:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>    <span class="p">[</span><span class="n">dependencies</span><span class="p">]</span>
    <span class="n">iapws</span> <span class="o">=</span> <span class="p">{</span> <span class="n">git</span><span class="o">=</