diff --git a/.spi.yml b/.spi.yml
new file mode 100644
index 0000000..b1feee7
--- /dev/null
+++ b/.spi.yml
@@ -0,0 +1,5 @@
+version: 1
+builder:
+  configs:
+    - platform: ios
+      documentation_targets: [NiftyMarkdownFormatter]
diff --git a/Package.resolved b/Package.resolved
new file mode 100644
index 0000000..3b6d58b
--- /dev/null
+++ b/Package.resolved
@@ -0,0 +1,16 @@
+{
+  "object": {
+    "pins": [
+      {
+        "package": "SwiftDocCPlugin",
+        "repositoryURL": "https://github.com/apple/swift-docc-plugin",
+        "state": {
+          "branch": null,
+          "revision": "3303b164430d9a7055ba484c8ead67a52f7b74f6",
+          "version": "1.0.0"
+        }
+      }
+    ]
+  },
+  "version": 1
+}
diff --git a/Package.swift b/Package.swift
index 51004c5..d062cbf 100644
--- a/Package.swift
+++ b/Package.swift
@@ -30,3 +30,9 @@ let package = Package(
             dependencies: ["NiftyMarkdownFormatter"]),
     ]
 )
+
+#if swift(>=5.6)
+package.dependencies.append(
+    .package(url: "https://github.com/apple/swift-docc-plugin", from: "1.0.0")
+)
+#endif