diff --git a/_data/signed/joonasteurokoski.yaml b/_data/signed/joonasteurokoski.yaml
new file mode 100644
index 000000000..bc970dd01
--- /dev/null
+++ b/_data/signed/joonasteurokoski.yaml
@@ -0,0 +1,2 @@
+name: Joonas Teurokoski
+link: https://github.com/joonasteurokoski