diff --git a/doc/images/known-users/tubatu.png b/doc/images/known-users/tubatu.png
new file mode 100644
index 0000000000000000000000000000000000000000..6ad084dd7a595041aa46263df9d6eeed1cb5be9a
Binary files /dev/null and b/doc/images/known-users/tubatu.png differ