diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index c5060e78ff0a..2226eff5baea 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -6448,6 +6448,12 @@
     githubId = 5198058;
     name = "Udo Sauer";
   };
+  ferrine = {
+    email = "justferres@yandex.ru";
+    github = "ferrine";
+    githubId = 11705326;
+    name = "Max Kochurov";
+  };
   ffinkdevs = {
     email = "fink@h0st.space";
     github = "ffinkdevs";
diff --git a/pkgs/development/python-modules/pymc/default.nix b/pkgs/development/python-modules/pymc/default.nix
index 5afa718726c8..16aa22cf7fff 100644
--- a/pkgs/development/python-modules/pymc/default.nix
+++ b/pkgs/development/python-modules/pymc/default.nix
@@ -55,6 +55,6 @@ buildPythonPackage rec {
     homepage = "https://github.com/pymc-devs/pymc";
     changelog = "https://github.com/pymc-devs/pymc/releases/tag/v${version}";
     license = licenses.asl20;
-    maintainers = with maintainers; [ nidabdella ];
+    maintainers = with maintainers; [ nidabdella ferrine ];
   };
 }
diff --git a/pkgs/development/python-modules/pytensor/default.nix b/pkgs/development/python-modules/pytensor/default.nix
index 849006e1f18e..ef05c9e5180a 100644
--- a/pkgs/development/python-modules/pytensor/default.nix
+++ b/pkgs/development/python-modules/pytensor/default.nix
@@ -97,7 +97,7 @@ buildPythonPackage rec {
     homepage = "https://github.com/pymc-devs/pytensor";
     changelog = "https://github.com/pymc-devs/pytensor/releases";
     license = licenses.bsd3;
-    maintainers = with maintainers; [ bcdarwin ];
+    maintainers = with maintainers; [ bcdarwin ferrine ];
     broken = (stdenv.isLinux && stdenv.isAarch64);
   };
 }