diff --git a/types/yauzl-promise/index.d.ts b/types/yauzl-promise/index.d.ts
new file mode 100644
index 0000000000..b859d8891e
--- /dev/null
+++ b/types/yauzl-promise/index.d.ts
@@ -0,0 +1,68 @@
+// Type definitions for yauzl-promise 2.1
+// Project: https://github.com/overlookmotel/yauzl-promise
+// Definitions by: Dave Lee <https://github.com/dlee-nvisia>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+// TypeScript Version: 2.1
+
+/// <reference types="node" />
+
+import { Entry as BaseEntry, Options, ZipFileOptions, RandomAccessReader } from 'yauzl';
+import { Readable } from 'stream';
+import { EventEmitter } from 'events';
+
+// This class is not directly compatible with @types/yauzl 's ZipFile as this library changes the function signatures
+// Therefore, it is replaced, albeit with a significant portion
+export class ZipFile extends EventEmitter {
+    // This chunk taken directly from @types/yauzl
+    autoClose: boolean;
+    comment: string;
+    decodeStrings: boolean;
+    emittedError: boolean;
+    entriesRead: number;
+    entryCount: number;
+    fileSize: number;
+    isOpen: boolean;
+    lazyEntries: boolean;
+    readEntryCursor: boolean;
+    validateEntrySizes: boolean;
+
+    constructor(
+        reader: RandomAccessReader,
+        centralDirectoryOffset: number,
+        fileSize: number,
+        entryCount: number,
+        comment: string,
+        autoClose: boolean,
+        lazyEntries: boolean,
+        decodeStrings: boolean,
+        validateEntrySizes: boolean,
+    );
+
+    // These funcitons are custom to yauzl-promise
+
+    close(): Promise<void>;
+    readEntry(): Promise<Entry>;
+    readEntries(numEntries?: number): Promise<Entry[]>;
+    walkEntries(callback: (entry: Entry) => Promise<void> | void, numEntries?: number): Promise<void>;
+    openReadStream(entry: Entry, options?: ZipFileOptions): Promise<Readable>;
+}
+
+export class Entry extends BaseEntry {
+    openReadStream(options?: ZipFileOptions): Promise<Readable>;
+}
+
+export function open(path: string, options?: Options): Promise<ZipFile>;
+// export function open(path: string): Promise<ZipFile>;
+export function fromFd(fd: number, options?: Options): Promise<ZipFile>;
+// export function fromFd(fd: number): Promise<ZipFile>;
+export function fromBuffer(buffer: Buffer, options?: Options): Promise<ZipFile>;
+// export function fromBuffer(buffer: Buffer): Promise<ZipFile>;
+export function fromRandomAccessReader(reader: RandomAccessReader, totalSize: number, options?: Options): Promise<ZipFile>;
+// export function fromRandomAccessReader(reader: RandomAccessReader, totalSize: number): Promise<ZipFile>;
+
+// These are copied directly from @types/yauzl, I beleive they are unmodified
+export function dosDateTimeToDate(date: number, time: number): Date;
+export function validateFileName(fileName: string): string | null;
+
+export { RandomAccessReader, Options, ZipFileOptions };
diff --git a/types/yauzl-promise/tsconfig.json b/types/yauzl-promise/tsconfig.json
new file mode 100644
index 0000000000..86c1696468
--- /dev/null
+++ b/types/yauzl-promise/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",
+        "yauzl-promise-tests.ts"
+    ]
+}
diff --git a/types/yauzl-promise/tslint.json b/types/yauzl-promise/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/yauzl-promise/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }
diff --git a/types/yauzl-promise/yauzl-promise-tests.ts b/types/yauzl-promise/yauzl-promise-tests.ts
new file mode 100644
index 0000000000..0a33ad6440
--- /dev/null
+++ b/types/yauzl-promise/yauzl-promise-tests.ts
@@ -0,0 +1,49 @@
+import * as yauzl from 'yauzl-promise';
+
+class FakeRaR extends yauzl.RandomAccessReader {}
+
+const options: yauzl.Options = {
+    autoClose: true
+};
+
+const zipOptions: yauzl.ZipFileOptions = {
+    decrypt: true,
+    decompress: true,
+    start: 0,
+    end: 1
+};
+
+const date = yauzl.dosDateTimeToDate(1, 1);
+const fn = yauzl.validateFileName("fake");
+
+async function test() {
+    const zip = await yauzl.open("");
+    const open2 = await yauzl.open("", options);
+
+    const fd1 = await yauzl.fromFd(0);
+    const fd2 = await yauzl.fromFd(0, options);
+
+    const buffer1 = await yauzl.fromBuffer(Buffer.from("test", "utf-8"));
+    const buffer2 = await yauzl.fromBuffer(Buffer.from("test", "utf-8"), options);
+
+    const rar1 = await yauzl.fromRandomAccessReader(new FakeRaR(), 1);
+    const rar2 = await yauzl.fromRandomAccessReader(new FakeRaR(), 1, options);
+
+    const entry = await zip.readEntry();
+    await zip.readEntries();
+    await zip.readEntries(1);
+
+    const rs = await zip.openReadStream(entry);
+    await zip.openReadStream(entry, zipOptions);
+
+    await entry.openReadStream();
+    await entry.openReadStream(zipOptions);
+
+    await zip.walkEntries(async (entry: yauzl.Entry) => {
+        console.log("foo");
+    });
+
+    await zip.walkEntries(async (entry: yauzl.Entry) => {
+        console.log("foo");
+    }, 1);
+}