diff --git a/index.ts b/index.ts
index 1ce96f4b..83a691bf 100644
--- a/index.ts
+++ b/index.ts
@@ -1,4 +1,4 @@
-import iconManifest from "./outputs/icon-manifest.json";
+import iconManifest from "./outputs/icon-manifest.json" with { type: "json" };
 import { type IconManifest } from "./types.js";
 export { ZetaIconNameList } from "./outputs/web/icon-types.js";
 
diff --git a/package-lock.json b/package-lock.json
index 9c52a653..b871c356 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -30,7 +30,7 @@
         "sinon": "^19.0.2",
         "ts-jest": "^29.2.5",
         "ts-node": "^10.9.2",
-        "typescript": "^5.7.2",
+        "typescript": "^5.4.5",
         "webfont": "^11.2.26",
         "zeta-icon-name-checker": "^0.0.15"
       }
diff --git a/tsconfig.json b/tsconfig.json
index 2c19ea67..f7ade61d 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,17 +1,20 @@
 {
   "compilerOptions": {
-    "target": "ES2021",
-    "module": "Node16",
+    "target": "ES2022",
+    "module": "esnext",
     "strict": true,
     "esModuleInterop": true,
     "forceConsistentCasingInFileNames": true,
     "allowArbitraryExtensions": true,
     "declaration": true,
-    "moduleResolution": "node16",
+    "declarationMap": true,
+    "emitDeclarationOnly": true,
+    "isolatedModules": true,
+    "moduleResolution": "bundler",
     "allowJs": true,
     "checkJs": false,
     "resolveJsonModule": true,
-    "outDir": "./dist",    
+    "outDir": "./dist",
     "newLine": "lf",
     "typeRoots": ["./node_modules/@types", "scripts/definitions"]
   },