diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 78ba3e79527e..f67493a332dd 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -13996,6 +13996,13 @@
     githubId = 2666479;
     name = "Y Nguyen";
   };
+  superherointj = {
+    name = "Sérgio Marcelo";
+    email = "sergiomarcelo+nixpkgs@ya.ru";
+    matrix = "@superherointj:matrix.org";
+    github = "superherointj";
+    githubId = 5861043;
+  };
   SuperSandro2000 = {
     email = "sandro.jaeckel@gmail.com";
     matrix = "@sandro:supersandro.de";
diff --git a/pkgs/applications/networking/cluster/fluxcd/default.nix b/pkgs/applications/networking/cluster/fluxcd/default.nix
index 97fff7f9bbb3..4aeb491410bd 100644
--- a/pkgs/applications/networking/cluster/fluxcd/default.nix
+++ b/pkgs/applications/networking/cluster/fluxcd/default.nix
@@ -65,7 +65,7 @@ in buildGoModule rec {
     '';
     homepage = "https://fluxcd.io";
     license = licenses.asl20;
-    maintainers = with maintainers; [ bryanasdev000 jlesquembre ];
+    maintainers = with maintainers; [ bryanasdev000 jlesquembre superherointj ];
     mainProgram = "flux";
   };
 }
diff --git a/pkgs/applications/networking/cluster/k3s/default.nix b/pkgs/applications/networking/cluster/k3s/default.nix
index 74c3e1ccdf57..74f54d28d594 100644
--- a/pkgs/applications/networking/cluster/k3s/default.nix
+++ b/pkgs/applications/networking/cluster/k3s/default.nix
@@ -75,7 +75,7 @@ let
     description = "A lightweight Kubernetes distribution";
     license = licenses.asl20;
     homepage = "https://k3s.io";
-    maintainers = with maintainers; [ euank mic92 ];
+    maintainers = with maintainers; [ euank mic92 superherointj ];
     platforms = platforms.linux;
   };