diff --git a/setup.cfg b/setup.cfg
index 861106f..a671a1e 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = mdtoreveal
-version = 0.3
+version = 0.3.1
 description = Transform a flat markdown to a reveal.js presentation.
 long_description = file: README.md
 long_description_content_type = text/markdown; charset=UTF-8
@@ -24,6 +24,7 @@ python_requires = >= 3.6
 install_requires =
   jinja2
   requests
+  markdown
 
 [options.entry_points]
 console_scripts = mdtoreveal=mdtoreveal:main