diff --git a/.gitignore b/.gitignore
index a0df8a808..20c333c5c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,9 @@
 .DS_Store
 coverage/
 node_modules/
+*.d.cts.map
 *.d.cts
+*.d.ts.map
 *.d.ts
 /public/
 !/packages/mdx/lib/types.d.ts
diff --git a/packages/esbuild/package.json b/packages/esbuild/package.json
index 75dada0ec..143ef5a4e 100644
--- a/packages/esbuild/package.json
+++ b/packages/esbuild/package.json
@@ -33,6 +33,7 @@
   "exports": "./index.js",
   "files": [
     "lib/",
+    "index.d.ts.map",
     "index.d.ts",
     "index.js"
   ],
diff --git a/packages/loader/package.json b/packages/loader/package.json
index 3bc8ebc83..46992ecf8 100644
--- a/packages/loader/package.json
+++ b/packages/loader/package.json
@@ -39,8 +39,8 @@
   "files": [
     "lib/",
     "index.cjs",
-    "index.d.cts",
-    "index.d.ts"
+    "index.d.cts.map",
+    "index.d.cts"
   ],
   "dependencies": {
     "@mdx-js/mdx": "^3.0.0",
diff --git a/packages/mdx/package.json b/packages/mdx/package.json
index 70a9034ea..44548a250 100644
--- a/packages/mdx/package.json
+++ b/packages/mdx/package.json
@@ -38,6 +38,7 @@
   },
   "files": [
     "lib/",
+    "index.d.ts.map",
     "index.d.ts",
     "index.js"
   ],
diff --git a/packages/node-loader/package.json b/packages/node-loader/package.json
index 59b7330e5..f655d9d85 100644
--- a/packages/node-loader/package.json
+++ b/packages/node-loader/package.json
@@ -38,6 +38,7 @@
   },
   "files": [
     "lib/",
+    "index.d.ts.map",
     "index.d.ts",
     "index.js"
   ],
diff --git a/packages/preact/package.json b/packages/preact/package.json
index 23842d464..7cfebb0ed 100644
--- a/packages/preact/package.json
+++ b/packages/preact/package.json
@@ -36,6 +36,7 @@
   "exports": "./index.js",
   "files": [
     "lib/",
+    "index.d.ts.map",
     "index.d.ts",
     "index.js"
   ],
diff --git a/packages/react/package.json b/packages/react/package.json
index 9933da252..7d23948d8 100644
--- a/packages/react/package.json
+++ b/packages/react/package.json
@@ -35,6 +35,7 @@
   "exports": "./index.js",
   "files": [
     "lib/",
+    "index.d.ts.map",
     "index.d.ts",
     "index.js"
   ],
diff --git a/packages/remark-mdx/package.json b/packages/remark-mdx/package.json
index 03eeda371..bf786437e 100644
--- a/packages/remark-mdx/package.json
+++ b/packages/remark-mdx/package.json
@@ -36,6 +36,7 @@
   "exports": "./index.js",
   "files": [
     "lib/",
+    "index.d.ts.map",
     "index.d.ts",
     "index.js"
   ],
diff --git a/packages/rollup/package.json b/packages/rollup/package.json
index 174ad1685..64bc4602d 100644
--- a/packages/rollup/package.json
+++ b/packages/rollup/package.json
@@ -33,6 +33,7 @@
   "exports": "./index.js",
   "files": [
     "lib/",
+    "index.d.ts.map",
     "index.d.ts",
     "index.js"
   ],
diff --git a/packages/vue/package.json b/packages/vue/package.json
index 738a0cf95..ddfe69587 100644
--- a/packages/vue/package.json
+++ b/packages/vue/package.json
@@ -31,6 +31,7 @@
   "exports": "./index.js",
   "files": [
     "lib/",
+    "index.d.ts.map",
     "index.d.ts",
     "index.js"
   ],
diff --git a/tsconfig.json b/tsconfig.json
index 420f6ff11..80f3b33be 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -3,6 +3,7 @@
     "checkJs": true,
     "customConditions": ["development"],
     "declaration": true,
+    "declarationMap": true,
     "emitDeclarationOnly": true,
     "exactOptionalPropertyTypes": true,
     "jsx": "preserve",