diff --git a/manifest.dhall b/manifest.dhall
index b5b3cf2c78d50ec4422e59a8fa01d0c7e6ce86e6..27acd9c67094b2886a7a74238d9da211bdd565bf 100644
--- a/manifest.dhall
+++ b/manifest.dhall
@@ -364,6 +364,7 @@ in  [ callHackage "Cabal" "3.8.1.0"
     , callHackage "indexed-traversable" "0.1.2"
     , callHackage "indexed-traversable-instances" "0.1.1.1"
     , callHackage "infer-license" "0.2.0"
+    , callHackage "ini" "0.4.2"
     , callHackage "insert-ordered-containers" "0.2.5.1"
     , callHackage "inspection-testing" "0.5"
     , callHackage "integer-logarithms" "1.0.3.1"
diff --git a/overlay.nix b/overlay.nix
index 621b27e1a4f0d1eb386abe007cb471968dd394f7..1d9bac003536b66e17911dfda1acadc87a3205f5 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -505,6 +505,8 @@ self: with pkgs.haskell.lib; {
 
   infer-license = self.callPackage (./pkgs/infer-license.nix) { };
 
+  ini = self.callPackage (./pkgs/ini.nix) { };
+
   insert-ordered-containers = self.callPackage (./pkgs/insert-ordered-containers.nix) { };
 
   inspection-testing = self.callPackage (./pkgs/inspection-testing.nix) { };
diff --git a/pkgs/ini.nix b/pkgs/ini.nix
new file mode 100644
index 0000000000000000000000000000000000000000..d9016f6856542ec64c6e1fb36da519864328deef
--- /dev/null
+++ b/pkgs/ini.nix
@@ -0,0 +1,34 @@
+{ mkDerivation
+, attoparsec
+, base
+, hspec
+, lib
+, text
+, unordered-containers
+}:
+mkDerivation {
+  pname = "ini";
+  version = "0.4.2";
+  sha256 = "f79d8ceca14a0d4039e3443d34e9e33a390fd3c3562a8f0a301f45ba1161e936";
+  isLibrary = true;
+  isExecutable = false;
+  enableSeparateDataOutput = false;
+  libraryHaskellDepends = [
+    attoparsec
+    base
+    text
+    unordered-containers
+  ];
+  testHaskellDepends = [ base hspec unordered-containers ];
+  enableLibraryProfiling = false;
+  enableExecutableProfiling = false;
+  doHaddock = false;
+  jailbreak = true;
+  doCheck = false;
+  doBenchmark = false;
+  hyperlinkSource = false;
+  homepage = "https://github.com/andreasabel/ini";
+  description = "Configuration files in the INI format";
+  license = lib.licenses.bsd3;
+  broken = false;
+}