diff --git a/.gitmodules b/.gitmodules
index 21a42249..47a377bd 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -12,3 +12,7 @@
 [submodule "_includes/demobox_demo"]
 	path = _includes/demobox_demo
 	url = https://github.com/micro-ROS/micro-ROS_demobox_demo.git
+[submodule "_includes/thumper_demo"]
+	path = _includes/thumper_demo
+	url = https://github.com/micro-ROS/micro-ROS_thumper_demo
+	branch = foxy
diff --git a/_data/docs.yml b/_data/docs.yml
index e04e68bd..ca881c79 100644
--- a/_data/docs.yml
+++ b/_data/docs.yml
@@ -71,6 +71,7 @@
    - tutorials/demos/openmanipulator_demo
    - tutorials/demos/fiware_demo
    - tutorials/demos/demobox_demo
+   - tutorials/demos/thumper_demo
    - tutorials/demos/combined_demos
 
 - title: Nuttx-specific Tutorials
diff --git a/_docs/tutorials/demos/thumper_demo/index.md b/_docs/tutorials/demos/thumper_demo/index.md
new file mode 100644
index 00000000..5ecac5c2
--- /dev/null
+++ b/_docs/tutorials/demos/thumper_demo/index.md
@@ -0,0 +1,10 @@
+---
+title: Thumper, a six-wheeled robot
+layout: docs_noheader
+permalink: /docs/tutorials/demos/thumper_demo/
+redirect_from:
+  - /thumper_demo/
+---
+
+{% capture my_include %}{% include thumper_demo/README.md %}{% endcapture %}
+{{ my_include | markdownify }}
diff --git a/_includes/thumper_demo b/_includes/thumper_demo
new file mode 160000
index 00000000..72cebac2
--- /dev/null
+++ b/_includes/thumper_demo
@@ -0,0 +1 @@
+Subproject commit 72cebac26e5ba951225d8e9d3d3cf2ffe436515a
diff --git a/scripts/cibuild b/scripts/cibuild
index f9056ca1..5a6cccdb 100755
--- a/scripts/cibuild
+++ b/scripts/cibuild
@@ -17,6 +17,7 @@ fi
 IGNORE_HREFS=${IGNORE_HREFS:+$IGNORE_HREFS,}$(ruby -e "puts %w{
   vimeo.com
   omg.org
+  twitter.com
   ${ADDITIONS}
   }.map{|h| \"/#{h}/\"}.join(\",\")"
 )