diff --git a/_data/signed/KarelWintersky.yaml b/_data/signed/KarelWintersky.yaml
new file mode 100644
index 00000000..84f63523
--- /dev/null
+++ b/_data/signed/KarelWintersky.yaml
@@ -0,0 +1,2 @@
+name: Karel Wintersky
+link: https://github.com/KarelWintersky