diff --git a/_data/signed/Yosuke-Kawakami.yaml b/_data/signed/Yosuke-Kawakami.yaml
new file mode 100644
index 000000000..e0bcee753
--- /dev/null
+++ b/_data/signed/Yosuke-Kawakami.yaml
@@ -0,0 +1,2 @@
+name: Yosuke-Kawakami
+link: https://github.com/Yosuke-Kawakami
\ No newline at end of file