diff --git a/index.html b/index.html
index f62e473..1ded4ee 100644
--- a/index.html
+++ b/index.html
@@ -221,6 +221,7 @@
- Massoud Seifi
- Matt Baer
+ - Matthias Pfefferle
- Mehrdad Mirsamie
- Meysam Mousavi
- misskey
diff --git a/who is who.html b/who is who.html
index 57a4320..cbc48d3 100644
--- a/who is who.html
+++ b/who is who.html
@@ -88,6 +88,7 @@
- Massoud Seifi
- Matt Baer
+ - Matthias Pfefferle
- Mehrdad Mirsamie
- Meysam Mousavi
- Muhammad Zaid Ali