diff --git a/.changeset/windows-inline-sourcemaps.md b/.changeset/windows-inline-sourcemaps.md
new file mode 100644
index 0000000000..a3abc61256
--- /dev/null
+++ b/.changeset/windows-inline-sourcemaps.md
@@ -0,0 +1,28 @@
+---
+"@workflow/ai": patch
+"@workflow/astro": patch
+"@workflow/builders": patch
+"@workflow/cli": patch
+"@workflow/core": patch
+"@workflow/errors": patch
+"@workflow/next": patch
+"@workflow/nest": patch
+"@workflow/nitro": patch
+"@workflow/nuxt": patch
+"@workflow/rollup": patch
+"@workflow/serde": patch
+"@workflow/sveltekit": patch
+"@workflow/typescript-plugin": patch
+"@workflow/utils": patch
+"@workflow/vite": patch
+"@workflow/vitest": patch
+"@workflow/web-shared": patch
+"@workflow/world": patch
+"@workflow/world-local": patch
+"@workflow/world-postgres": patch
+"@workflow/world-testing": patch
+"@workflow/world-vercel": patch
+"workflow": patch
+---
+
+Use inline sourcemaps for all workspace packages; published packages no longer ship external `.js.map` files.
diff --git a/packages/core/tsconfig.json b/packages/core/tsconfig.json
index 65f2136e46..a78dbf413c 100644
--- a/packages/core/tsconfig.json
+++ b/packages/core/tsconfig.json
@@ -1,9 +1,7 @@
 {
   "extends": "@workflow/tsconfig/base.json",
   "compilerOptions": {
-    "outDir": "dist",
-    "sourceMap": false,
-    "inlineSourceMap": true
+    "outDir": "dist"
   },
   "include": ["src"],
   "exclude": ["node_modules", "**/*.test.ts"]
diff --git a/packages/tsconfig/base.json b/packages/tsconfig/base.json
index 8c1f55d262..48c6169199 100644
--- a/packages/tsconfig/base.json
+++ b/packages/tsconfig/base.json
@@ -6,7 +6,8 @@
     "declarationMap": true,
     "esModuleInterop": true,
     "forceConsistentCasingInFileNames": true,
-    "sourceMap": true,
+    "sourceMap": false,
+    "inlineSourceMap": true,
     "inlineSources": true,
     "isolatedModules": true,
     "moduleResolution": "node16",
diff --git a/packages/workflow/tsconfig.json b/packages/workflow/tsconfig.json
index 0f4008973e..a78dbf413c 100644
--- a/packages/workflow/tsconfig.json
+++ b/packages/workflow/tsconfig.json
@@ -1,10 +1,7 @@
 {
   "extends": "@workflow/tsconfig/base.json",
   "compilerOptions": {
-    "outDir": "dist",
-    "sourceMap": false,
-    // See https://github.com/vercel/workflow/pull/352
-    "inlineSourceMap": true
+    "outDir": "dist"
   },
   "include": ["src"],
   "exclude": ["node_modules", "**/*.test.ts"]