diff --git a/types/mem-cache/index.d.ts b/types/mem-cache/index.d.ts
new file mode 100644
index 0000000000..df2a0db47d
--- /dev/null
+++ b/types/mem-cache/index.d.ts
@@ -0,0 +1,26 @@
+// Type definitions for mem-cache 1.0
+// Project: https://github.com/silviom/node-mem-cache
+// Definitions by: Pedro Mutter <https://github.com/MutterPedro>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+import { EventEmitter } from 'events';
+
+interface CacheOptions {
+    timeout?: number;
+    doesNotRenewTimeout?: boolean;
+    timeoutDisabled?: boolean;
+}
+
+declare class Cache extends EventEmitter {
+    keys: string[];
+    length: number;
+
+    constructor(options?: number | CacheOptions);
+
+    set(key: string, value: any, timeout?: number): void;
+    get(key: string): any;
+    remove(key: string): void;
+    clean(): void;
+}
+
+export = Cache;
diff --git a/types/mem-cache/mem-cache-tests.ts b/types/mem-cache/mem-cache-tests.ts
new file mode 100644
index 0000000000..747ffd75c2
--- /dev/null
+++ b/types/mem-cache/mem-cache-tests.ts
@@ -0,0 +1,10 @@
+import Cache = require('mem-cache');
+
+const cache = new Cache(); // $ExpectType Cache
+
+cache.set('foo', 'bar'); // $ExpectType void
+cache.get('foo'); // $ExpectType any
+cache.remove('foo'); // $ExpectType void
+cache.clean(); // $ExpectType void
+cache.length; // $ExpectType number
+cache.keys; // $ExpectType string[]
diff --git a/types/mem-cache/tsconfig.json b/types/mem-cache/tsconfig.json
new file mode 100644
index 0000000000..3c3a2e701a
--- /dev/null
+++ b/types/mem-cache/tsconfig.json
@@ -0,0 +1,25 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "mem-cache-tests.ts"
+    ],
+    "baseUrl": "types",
+    "typeRoots": ["types"]
+}
diff --git a/types/mem-cache/tslint.json b/types/mem-cache/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/mem-cache/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }