diff --git a/pkgs/development/tools/mask/default.nix b/pkgs/development/tools/mask/default.nix
new file mode 100644
index 000000000000..25ab4ceab5f5
--- /dev/null
+++ b/pkgs/development/tools/mask/default.nix
@@ -0,0 +1,25 @@
+{ fetchFromGitHub, lib, rustPlatform }:
+
+rustPlatform.buildRustPackage rec {
+  pname = "mask";
+  version = "0.11.0";
+
+  src = fetchFromGitHub {
+    owner = "jakedeichert";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "0gsfs837nzh71df6p6klcsgxp471c8hq14xqd62q5bsv7jg9dygc";
+  };
+
+  cargoSha256 = "1h4sasqdl3rli0v6lizdci0vvr2fvbyhllddxwv8vx8r7w9ry963";
+
+  # tests require mask to be installed
+  doCheck = false;
+
+  meta = with lib; {
+    description = "A CLI task runner defined by a simple markdown file";
+    homepage = "https://github.com/jakedeichert/mask";
+    license = licenses.mit;
+    maintainers = with maintainers; [ figsoda ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 122658d0848d..37bf2e2223ae 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6596,6 +6596,8 @@ with pkgs;
     inherit (darwin.apple_sdk.frameworks) Security;
   };
 
+  mask = callPackage ../development/tools/mask { };
+
   mathpix-snipping-tool = callPackage ../tools/misc/mathpix-snipping-tool { };
 
   /* Python 3.8 is currently broken with matrix-synapse since `python38Packages.bleach` fails