diff --git a/CybozuLabs-md5/CybozuLabs-md5-tests.ts b/CybozuLabs-md5/CybozuLabs-md5-tests.ts
index 16dd05b059..7572ed9124 100644
--- a/CybozuLabs-md5/CybozuLabs-md5-tests.ts
+++ b/CybozuLabs-md5/CybozuLabs-md5-tests.ts
@@ -1,4 +1,4 @@
-/// <reference path="CybozuLabs-md5.d.ts" />
+/// <reference types="cybozulabs-md5" />
 
 var hash: string;
 hash = CybozuLabs.MD5.calc("abc");
diff --git a/CybozuLabs-md5/CybozuLabs-md5.d.ts b/cybozulabs-md5/index.d.ts
similarity index 100%
rename from CybozuLabs-md5/CybozuLabs-md5.d.ts
rename to cybozulabs-md5/index.d.ts
diff --git a/cybozulabs-md5/tsconfig.json b/cybozulabs-md5/tsconfig.json
new file mode 100644
index 0000000000..eeac3d87b3
--- /dev/null
+++ b/cybozulabs-md5/tsconfig.json
@@ -0,0 +1,19 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "target": "es6",
+        "noImplicitAny": true,
+        "strictNullChecks": false,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "CybozuLabs-md5-tests.ts"
+    ]
+}
\ No newline at end of file