diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index debce802bf39..3d88282a854c 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -13814,6 +13814,12 @@
     githubId = 133448;
     name = "Mikołaj Siedlarek";
   };
+  msladecek = {
+    email = "martin.sladecek+nixpkgs@gmail.com";
+    name = "Martin Sladecek";
+    github = "msladecek";
+    githubId = 7304317;
+  };
   mslingsby = {
     email = "morten.slingsby@eviny.no";
     github = "MortenSlingsby";
diff --git a/pkgs/shells/fish/plugins/default.nix b/pkgs/shells/fish/plugins/default.nix
index 7b17883c2211..d69c2ac2c29e 100644
--- a/pkgs/shells/fish/plugins/default.nix
+++ b/pkgs/shells/fish/plugins/default.nix
@@ -38,6 +38,8 @@ lib.makeScope newScope (self: with self; {
 
   grc = callPackage ./grc.nix { };
 
+  gruvbox = callPackage ./gruvbox.nix { };
+
   humantime-fish = callPackage ./humantime-fish.nix { };
 
   hydro = callPackage ./hydro.nix { };
diff --git a/pkgs/shells/fish/plugins/gruvbox.nix b/pkgs/shells/fish/plugins/gruvbox.nix
new file mode 100644
index 000000000000..b4b85ae597b8
--- /dev/null
+++ b/pkgs/shells/fish/plugins/gruvbox.nix
@@ -0,0 +1,17 @@
+{ lib , buildFishPlugin , fetchFromGitHub }:
+buildFishPlugin {
+  pname = "gruvbox";
+  version = "0-unstable-2021-10-12";
+  src = fetchFromGitHub {
+    owner = "jomik";
+    repo = "fish-gruvbox";
+    rev = "80a6f3a7b31beb6f087b0c56cbf3470204759d1c";
+    hash = "sha256-vL2/Nm9Z9cdaptx8sJqbX5AnRtfd68x4ZKWdQk5Cngo=";
+  };
+  meta = {
+    description = "Gruvbox theme for fish shell.";
+    homepage = "https://github.com/Jomik/fish-gruvbox";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ msladecek ];
+  };
+}