diff --git a/_data/signed/ErshovSergey.yaml b/_data/signed/ErshovSergey.yaml
new file mode 100644
index 00000000..eb4325d9
--- /dev/null
+++ b/_data/signed/ErshovSergey.yaml
@@ -0,0 +1,2 @@
+name: Ershov Sergey
+link: https://github.com/ErshovSergey