diff --git a/types/sequencify/index.d.ts b/types/sequencify/index.d.ts
new file mode 100644
index 0000000000..526baa8f54
--- /dev/null
+++ b/types/sequencify/index.d.ts
@@ -0,0 +1,22 @@
+// Type definitions for sequencify 0.1
+// Project: https://github.com/robrich/sequencify
+// Definitions by: Nicolas Penin <https://github.com/npenin>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+// Definition file started by dts-gen
+// TypeScript Version: 2.1
+
+export = sequencify;
+
+declare namespace sequencify {
+    interface Task {
+        name: string;
+        dep: string[];
+    }
+
+    interface TaskMap {
+        [name: string]: Task;
+    }
+}
+
+declare function sequencify<T extends sequencify.TaskMap>(tasks: T, names: Array<keyof T>, results: Array<keyof T>, nest?: string[]): void;
diff --git a/types/sequencify/sequencify-tests.ts b/types/sequencify/sequencify-tests.ts
new file mode 100644
index 0000000000..26506d7fbd
--- /dev/null
+++ b/types/sequencify/sequencify-tests.ts
@@ -0,0 +1,34 @@
+/* Add tests for your definition file here */
+
+/// <reference types="node" />
+
+import sequencify = require('sequencify');
+
+const items: sequencify.TaskMap = {
+    a: {
+        name: 'a',
+        dep: []
+        // other properties as needed
+    },
+    b: {
+        name: 'b',
+        dep: ['a']
+    },
+    c: {
+        name: 'c',
+        dep: ['a']
+    },
+    d: {
+        name: 'd',
+        dep: ['c']
+    },
+};
+
+const names = ['d', 'b', 'c', 'a']; // The names of the items you want arranged, need not be all
+
+const results: string[] = [];
+
+sequencify(items, names, results);
+
+console.log(results);
+// ['a','b','c','d'];
diff --git a/types/sequencify/tsconfig.json b/types/sequencify/tsconfig.json
new file mode 100644
index 0000000000..fb43176f7c
--- /dev/null
+++ b/types/sequencify/tsconfig.json
@@ -0,0 +1,23 @@
+{
+    "files": [
+        "index.d.ts",
+        "sequencify-tests.ts"
+    ],
+    "compilerOptions": {
+        "module": "commonjs",
+        "target": "es6",
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "lib": [
+            "es6"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    }
+}
\ No newline at end of file
diff --git a/types/sequencify/tslint.json b/types/sequencify/tslint.json
new file mode 100644
index 0000000000..e60c15844f
--- /dev/null
+++ b/types/sequencify/tslint.json
@@ -0,0 +1,3 @@
+{
+    "extends": "dtslint/dt.json"
+}
\ No newline at end of file