diff --git a/config/pkg/lib/mimalloc.yml b/config/pkg/lib/mimalloc.yml
new file mode 100644
index 00000000..4ab343ab
--- /dev/null
+++ b/config/pkg/lib/mimalloc.yml
@@ -0,0 +1,12 @@
+mimalloc:
+  type: library
+  artifact:
+    source:
+      type: ghtagtar
+      repo: microsoft/mimalloc
+      match: 'v2\.\d\.[^3].*'
+    metadata:
+      license-files: [LICENSE]
+      license: MIT
+  static-libs@unix:
+    - libmimalloc.a
diff --git a/src/Package/Library/mimalloc.php b/src/Package/Library/mimalloc.php
new file mode 100644
index 00000000..fd7a7351
--- /dev/null
+++ b/src/Package/Library/mimalloc.php
@@ -0,0 +1,31 @@
+<?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\UnixCMakeExecutor;
+use StaticPHP\Runtime\SystemTarget;
+
+#[Library('mimalloc')]
+class mimalloc
+{
+    #[BuildFor('Darwin')]
+    #[BuildFor('Linux')]
+    public function buildUnix(LibraryPackage $lib): void
+    {
+        $cmake = UnixCMakeExecutor::create($lib)
+            ->addConfigureArgs(
+                '-DMI_BUILD_SHARED=OFF',
+                '-DMI_BUILD_OBJECT=OFF',
+                '-DMI_INSTALL_TOPLEVEL=ON',
+            );
+        if (SystemTarget::getLibc() === 'musl') {
+            $cmake->addConfigureArgs('-DMI_LIBC_MUSL=ON');
+        }
+        $cmake->build();
+    }
+}