diff --git a/src/integrations/core/IntegrationLoader.ts b/src/integrations/core/IntegrationLoader.ts
index 519948b7..68aa84ba 100644
--- a/src/integrations/core/IntegrationLoader.ts
+++ b/src/integrations/core/IntegrationLoader.ts
@@ -83,6 +83,10 @@ export function detectEnvironment(): RuntimeEnvironment {
     Deno?: unknown
     Bun?: unknown
     HTMLRewriter?: unknown
+    // `caches` (Cloudflare Workers / ServiceWorker global) is no longer in `lib`
+    // now that DOM is dropped (8.0 is Node/Bun/Deno-only) — declare it locally so
+    // the edge-runtime probe below still type-checks.
+    caches?: unknown
   }
 
   // Deno
diff --git a/tsconfig.json b/tsconfig.json
index 6900d649..b1293663 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,6 +1,6 @@
 {
   "compilerOptions": {
-    "target": "ES2020",
+    "target": "ES2023",
     "module": "NodeNext",
     "moduleResolution": "NodeNext",
     "esModuleInterop": true,
@@ -10,16 +10,13 @@
     "outDir": "./dist",
     "rootDir": "./src",
     "lib": [
-      "DOM",
-      "ESNext",
-      "DOM.Asynciterable"
+      "ES2023"
     ],
     "skipLibCheck": true,
     "forceConsistentCasingInFileNames": true,
     "noEmit": false,
     "preserveConstEnums": true,
     "sourceMap": true,
-    "downlevelIteration": true,
     "isolatedModules": true,
     "noImplicitOverride": true
   },