diff --git a/.gitignore b/.gitignore
index 8e3dd5b0456..cc3c57be99d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,4 +20,5 @@ catalog/site/components/*.md
 catalog/site/components/images
 catalog/*.tsbuildinfo
 catalog/stories/*/
-!catalog/stories/components/
\ No newline at end of file
+!catalog/stories/components/
+!catalog/src/types/**/*.d.ts
\ No newline at end of file
diff --git a/catalog/package.json b/catalog/package.json
index b071418ed7b..83b2282e4c1 100644
--- a/catalog/package.json
+++ b/catalog/package.json
@@ -22,7 +22,8 @@
     "build:dev": {
       "dependencies": [
         "build:dev:eleventy",
-        "build:dev:ts"
+        "build:dev:ts",
+        "build:type-check"
       ]
     },
     "build:dev:eleventy": {
@@ -71,7 +72,8 @@
     "build:prod": {
       "dependencies": [
         "build:prod:eleventy",
-        "build:prod:ts"
+        "build:prod:ts",
+        "build:type-check"
       ]
     },
     "build:prod:eleventy": {
diff --git a/catalog/src/types/is-land.d.ts b/catalog/src/types/is-land.d.ts
new file mode 100644
index 00000000000..a231b5669ae
--- /dev/null
+++ b/catalog/src/types/is-land.d.ts
@@ -0,0 +1,5 @@
+declare module '@11ty/is-land' {
+  export class Island extends HTMLElement {
+    forceFallback(): void;
+  }
+}
\ No newline at end of file
diff --git a/catalog/tsconfig.json b/catalog/tsconfig.json
index d62c0783e1b..1ee8c16b41e 100644
--- a/catalog/tsconfig.json
+++ b/catalog/tsconfig.json
@@ -12,7 +12,8 @@
     "useDefineForClassFields": false,
     "forceConsistentCasingInFileNames": true,
     "noEmit": true,
-    "skipLibCheck": true
+    "skipLibCheck": true,
+    "types": []
   },
   "include": ["src/**/*", "stories/*", "stories/components"],
   "exclude": []