diff --git a/pkgs/development/hare-third-party/hare-toml/default.nix b/pkgs/development/hare-third-party/hare-toml/default.nix
new file mode 100644
index 0000000000000..98cc670ef941e
--- /dev/null
+++ b/pkgs/development/hare-third-party/hare-toml/default.nix
@@ -0,0 +1,61 @@
+{ stdenv
+, hare
+, scdoc
+, lib
+, fetchFromGitea
+, fetchpatch
+, nix-update-script
+}:
+stdenv.mkDerivation (finalAttrs: {
+  pname = "hare-toml";
+  version = "0.1.0";
+
+  src = fetchFromGitea {
+    domain = "codeberg.org";
+    owner = "lunacb";
+    repo = "hare-toml";
+    rev = "v${finalAttrs.version}";
+    hash = "sha256-JKK5CcDmAW7FH7AzFwgsr9i13eRSXDUokWfZix7f4yY=";
+  };
+
+  patches = [
+    # Remove `abort()` calls from never returning expressions.
+    (fetchpatch {
+      name = "remove-abort-from-never-returning-expressions.patch";
+      url = "https://codeberg.org/lunacb/hare-toml/commit/f26e7cdfdccd2e82c9fce7e9fca8644b825b40f1.patch";
+      hash = "sha256-DFbrxiaV4lQlFmMzo5GbMubIQ4hU3lXgsJqoyeFWf2g=";
+    })
+    # Fix make's install target to install the correct files
+    (fetchpatch {
+      name = "install-correct-files-with-install-target.patch";
+      url = "https://codeberg.org/lunacb/hare-toml/commit/b79021911fe7025a8f5ddd97deb2c4d18c67b25e.patch";
+      hash = "sha256-IL+faumX6BmdyePXTzsSGgUlgDBqOXXzShupVAa7jlQ=";
+    })
+  ];
+
+  nativeBuildInputs = [
+    scdoc
+    hare
+  ];
+
+  makeFlags = [
+    "HARECACHE=.harecache"
+    "PREFIX=${builtins.placeholder "out"}"
+  ];
+
+  checkTarget = "check_local";
+
+  doCheck = true;
+
+  dontConfigure = true;
+
+  passthru.updateScript = nix-update-script { };
+
+  meta = {
+    description = "A TOML implementation for Hare";
+    homepage = "https://codeberg.org/lunacb/hare-toml";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ onemoresuza ];
+    inherit (hare.meta) platforms badPlatforms;
+  };
+})
diff --git a/pkgs/top-level/hare-third-party.nix b/pkgs/top-level/hare-third-party.nix
index ae3cbafda23f4..8cf7cc4a9d8eb 100644
--- a/pkgs/top-level/hare-third-party.nix
+++ b/pkgs/top-level/hare-third-party.nix
@@ -5,8 +5,8 @@ let
   inherit (self) callPackage;
 in
 {
-
   hare-compress = callPackage ../development/hare-third-party/hare-compress { };
   hare-ev = callPackage ../development/hare-third-party/hare-ev { };
   hare-json = callPackage ../development/hare-third-party/hare-json { };
+  hare-toml = callPackage ../development/hare-third-party/hare-toml { };
 })