diff --git a/_data/signed/DmHertz.yaml b/_data/signed/DmHertz.yaml
new file mode 100644
index 00000000..152d23ae
--- /dev/null
+++ b/_data/signed/DmHertz.yaml
@@ -0,0 +1,3 @@
+name: Dimitry Bulaev
+link: https://github.com/DmHertz
+