diff --git a/docs/conf.py b/docs/conf.py
index 64f1243..b267de0 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -23,7 +23,7 @@
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
-extensions = ['sphinx.ext.autosectionlabel']
+extensions = ['sphinx.ext.autosectionlabel', 'sphinxcontrib.plantuml']
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']
@@ -82,4 +82,8 @@
 # -- Options for autosectionlabel --------------------------------------------
 
 # Only generate automatic section labels for document titles
-autosectionlabel_maxdepth = 1
\ No newline at end of file
+autosectionlabel_maxdepth = 1
+
+# -- Options for plantuml ----------------------------------------------------
+
+plantuml_output_format = 'svg_img'