# How can I modify vertical space between figure and caption?

\documentclass{article}
\usepackage[draft]{graphicx}
\begin{document}
\begin{figure}
\centering
\setlength\fboxsep{124pt}
\setlength\fboxrule{1pt}
\fbox{\includegraphics{dummy}}
\caption{Dummy caption}
\end{figure}
\end{document}

How can I increase vertical space between figure and caption?

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