diff --git a/config/pkg/lib/idn2.yml b/config/pkg/lib/idn2.yml
new file mode 100644
index 00000000..c2970d3e
--- /dev/null
+++ b/config/pkg/lib/idn2.yml
@@ -0,0 +1,21 @@
+idn2:
+  type: library
+  artifact:
+    source:
+      type: filelist
+      url: 'https://ftp.gnu.org/gnu/libidn/'
+      regex: '/href="(?<file>libidn2-(?<version>[^"]+)\.tar\.gz)"/'
+    metadata:
+      license-files: ['COPYING.LESSERv3']
+      license: LGPL-3.0-or-later
+  pkg-configs:
+    - libidn2
+  headers:
+    - idn2.h
+  suggests@unix:
+    - libiconv
+    - gettext
+    - libunistring
+  depends@macos:
+    - libiconv
+    - gettext
diff --git a/src/Package/Library/idn2.php b/src/Package/Library/idn2.php
new file mode 100644
index 00000000..3cffd9be
--- /dev/null
+++ b/src/Package/Library/idn2.php
@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Package\Library;
+
+use StaticPHP\Attribute\Package\BuildFor;
+use StaticPHP\Attribute\Package\Library;
+use StaticPHP\Package\LibraryPackage;
+use StaticPHP\Runtime\Executor\UnixAutoconfExecutor;
+
+#[Library('idn2')]
+class idn2
+{
+    #[BuildFor('Linux')]
+    #[BuildFor('Darwin')]
+    public function build(LibraryPackage $lib): void
+    {
+        UnixAutoconfExecutor::create($lib)
+            ->configure(
+                '--disable-nls',
+                '--disable-doc',
+                '--enable-year2038',
+                '--disable-rpath'
+            )
+            ->optionalPackage('libiconv', '--with-libiconv-prefix=' . BUILD_ROOT_PATH)
+            ->optionalPackage('libunistring', '--with-libunistring-prefix=' . BUILD_ROOT_PATH)
+            ->optionalPackage('gettext', '--with-libnintl-prefix=' . BUILD_ROOT_PATH)
+            ->make();
+        $lib->patchPkgconfPrefix(['libidn2.pc']);
+        $lib->patchLaDependencyPrefix();
+    }
+}