diff --git a/docs/source/_static/logo.png b/docs/source/_static/logo.png
new file mode 100644
index 00000000..f56374e3
Binary files /dev/null and b/docs/source/_static/logo.png differ
diff --git a/docs/source/_templates/sidebarlogo.html b/docs/source/_templates/sidebarlogo.html
new file mode 100644
index 00000000..d9243c4e
--- /dev/null
+++ b/docs/source/_templates/sidebarlogo.html
@@ -0,0 +1,3 @@
+<p class="logo"><a href="{{ pathto(master_doc) }}">
+  <img class="logo" src="{{ pathto('_static/logo.png', 1) }}" alt="Logo"/>
+</a></p>
diff --git a/docs/source/_themes/flask/theme.conf b/docs/source/_themes/flask/theme.conf
index 18c720f8..1d5657f2 100644
--- a/docs/source/_themes/flask/theme.conf
+++ b/docs/source/_themes/flask/theme.conf
@@ -4,6 +4,6 @@ stylesheet = flasky.css
 pygments_style = flask_theme_support.FlaskyStyle
 
 [options]
-index_logo = ''
+index_logo = 
 index_logo_height = 120px
 touch_icon = 
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 2cdee631..2cabc4a4 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -139,7 +139,10 @@ html_static_path = ['_static']
 #html_use_smartypants = True
 
 # Custom sidebar templates, maps document names to template names.
-#html_sidebars = {}
+html_sidebars = {
+    '**': ['sidebarlogo.html', 'localtoc.html', 'relations.html',
+           'sourcelink.html', 'searchbox.html']
+}
 
 # Additional templates that should be rendered to pages, maps page names to
 # template names.