diff --git a/_data/signed/mampir.yaml b/_data/signed/mampir.yaml
new file mode 100644
index 000000000..43a288d51
--- /dev/null
+++ b/_data/signed/mampir.yaml
@@ -0,0 +1,2 @@
+name: Martin Sotirov (LibTec)
+link: https://libtec.org/