diff --git a/pkgs/tools/security/gpg-tui/default.nix b/pkgs/tools/security/gpg-tui/default.nix
index 44f7b5dd0fc1..40869e825802 100644
--- a/pkgs/tools/security/gpg-tui/default.nix
+++ b/pkgs/tools/security/gpg-tui/default.nix
@@ -53,6 +53,6 @@ rustPlatform.buildRustPackage rec {
     homepage = "https://github.com/orhun/gpg-tui";
     changelog = "https://github.com/orhun/gpg-tui/blob/${src.rev}/CHANGELOG.md";
     license = licenses.mit;
-    maintainers = with maintainers; [ dotlambda ];
+    maintainers = with maintainers; [ dotlambda matthiasbeyer ];
   };
 }
diff --git a/pkgs/tools/system/kmon/default.nix b/pkgs/tools/system/kmon/default.nix
index 589460e6a893..cb5815892cab 100644
--- a/pkgs/tools/system/kmon/default.nix
+++ b/pkgs/tools/system/kmon/default.nix
@@ -29,6 +29,6 @@ rustPlatform.buildRustPackage rec {
     changelog = "https://github.com/orhun/kmon/blob/v${version}/CHANGELOG.md";
     license = licenses.gpl3Only;
     platforms = platforms.linux;
-    maintainers = with maintainers; [ figsoda misuzu ];
+    maintainers = with maintainers; [ figsoda misuzu matthiasbeyer ];
   };
 }
diff --git a/pkgs/tools/system/systeroid/default.nix b/pkgs/tools/system/systeroid/default.nix
index dca6ee3f4680..4cedd6db8a17 100644
--- a/pkgs/tools/system/systeroid/default.nix
+++ b/pkgs/tools/system/systeroid/default.nix
@@ -35,6 +35,6 @@ rustPlatform.buildRustPackage rec {
     homepage = "https://github.com/orhun/systeroid";
     changelog = "https://github.com/orhun/systeroid/blob/${src.rev}/CHANGELOG.md";
     license = with licenses; [ asl20 mit ];
-    maintainers = with maintainers; [ figsoda ];
+    maintainers = with maintainers; [ figsoda matthiasbeyer ];
   };
 }