diff --git a/_data/signed/foxcpp.yml b/_data/signed/foxcpp.yml
new file mode 100644
index 000000000..0ee1482c1
--- /dev/null
+++ b/_data/signed/foxcpp.yml
@@ -0,0 +1,2 @@
+name: Maksim Mazurov (maddy mail server, Project Hexanet)
+link: https://foxcpp.dev