diff --git a/deepmerge/deepmerge-tests.ts b/deepmerge/deepmerge-tests.ts
new file mode 100644
index 0000000000..7854f7adf1
--- /dev/null
+++ b/deepmerge/deepmerge-tests.ts
@@ -0,0 +1,13 @@
+import * as deepmerge from "deepmerge";
+
+const x = { foo: { bar: 3 },
+  array: [ { does: 'work', too: [ 1, 2, 3 ] } ] }
+const y = { foo: { baz: 4 },
+  quux: 5,
+  array: [ { does: 'work', too: [ 4, 5, 6 ] }, { really: 'yes' } ] }
+
+const expected = { foo: { bar: 3, baz: 4 },
+  array: [ { does: 'work', too: [ 1, 2, 3, 4, 5, 6 ] }, { really: 'yes' } ],
+  quux: 5 }
+
+const result = deepmerge<Object>(x, y);
\ No newline at end of file
diff --git a/deepmerge/index.d.ts b/deepmerge/index.d.ts
new file mode 100644
index 0000000000..bf70f62e46
--- /dev/null
+++ b/deepmerge/index.d.ts
@@ -0,0 +1,17 @@
+// Type definitions for deepmerge 1.3
+// Project: https://github.com/KyleAMathews/deepmerge
+// Definitions by: marvinscharle <https://github.com/marvinscharle>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export = deepmerge;
+
+declare function deepmerge<T>(x: T, y: T, options?: deepmerge.Options<T>): T;
+
+declare namespace deepmerge {
+    interface Options<T> {
+        clone?: boolean;
+        arrayMerge?: (destination: T, source: T, options?: Options<T>) => T;
+    }
+
+    function all<T>(objects: T[], options?: Options<T>): T;
+}
\ No newline at end of file
diff --git a/deepmerge/tsconfig.json b/deepmerge/tsconfig.json
new file mode 100644
index 0000000000..750aeec703
--- /dev/null
+++ b/deepmerge/tsconfig.json
@@ -0,0 +1,20 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "target": "es6",
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "deepmerge-tests.ts"
+    ]
+}
diff --git a/deepmerge/tslint.json b/deepmerge/tslint.json
new file mode 100644
index 0000000000..377cc837d4
--- /dev/null
+++ b/deepmerge/tslint.json
@@ -0,0 +1 @@
+{ "extends": "../tslint.json" }