diff --git a/types/koa-static-cache/index.d.ts b/types/koa-static-cache/index.d.ts
new file mode 100644
index 0000000000..ba5ed2d0e9
--- /dev/null
+++ b/types/koa-static-cache/index.d.ts
@@ -0,0 +1,40 @@
+// Type definitions for koa-static-cache 5.1
+// Project: https://github.com/koajs/static-cache#readme
+// Definitions by: JounQin <https://github.com/JounQin>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.3
+
+/**
+ * Static server for koa.
+ */
+
+import { Middleware } from 'koa';
+
+declare namespace staticCache {
+    interface Files {
+        [path: string]: Options;
+    }
+
+    interface Options {
+        dir?: string;
+        maxAge?: number;
+        cacheControl?: string;
+        buffer?: boolean;
+        gzip?: boolean;
+        usePrecompiledGzip?: boolean;
+        alias?: {};
+        prefix?: string;
+        dynamic?: boolean;
+        filter?: ((path: string) => boolean) | string[];
+        preload?: boolean;
+        files?: Files;
+    }
+}
+
+declare function staticCache(
+    dir: string | staticCache.Options,
+    options?: staticCache.Options | staticCache.Files,
+    files?: staticCache.Files
+): Middleware;
+
+export = staticCache;
diff --git a/types/koa-static-cache/koa-static-cache-tests.ts b/types/koa-static-cache/koa-static-cache-tests.ts
new file mode 100644
index 0000000000..1906c0bc25
--- /dev/null
+++ b/types/koa-static-cache/koa-static-cache-tests.ts
@@ -0,0 +1,46 @@
+import Koa = require('koa');
+import staticCache = require('koa-static-cache');
+
+const app = new Koa();
+
+app.use(staticCache('.'));
+
+app.use(
+    staticCache('.', {
+        maxAge: 0,
+        filter: ['']
+    })
+);
+
+const files: staticCache.Files = {};
+
+app.use(
+    staticCache(
+        '.',
+        {
+            maxAge: 0,
+            filter: path => !!path
+        },
+        files
+    )
+);
+
+files['/service-worker.js'].maxAge = 0;
+
+app.use(
+    staticCache({
+        dir: '.',
+        maxAge: 0,
+        files
+    })
+);
+
+app.use(
+    staticCache(
+        {
+            dir: '.',
+            maxAge: 0
+        },
+        files
+    )
+);
diff --git a/types/koa-static-cache/tsconfig.json b/types/koa-static-cache/tsconfig.json
new file mode 100644
index 0000000000..61082ed384
--- /dev/null
+++ b/types/koa-static-cache/tsconfig.json
@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "koa-static-cache-tests.ts"
+    ]
+}
diff --git a/types/koa-static-cache/tslint.json b/types/koa-static-cache/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/koa-static-cache/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }