diff --git a/types/dot-prop/dot-prop-tests.ts b/types/dot-prop/dot-prop-tests.ts
index b7687bb64b..420fe2d320 100644
--- a/types/dot-prop/dot-prop-tests.ts
+++ b/types/dot-prop/dot-prop-tests.ts
@@ -1,11 +1,23 @@
+/// <reference types="node"/>
+import dotProp = require('dot-prop');
+import { get, has, set } from 'dot-prop';
 
-import * as dotProp from 'dot-prop';
-
-dotProp.get({foo: {bar: 'unicorn'}}, 'foo.bar');
+get({foo: {bar: 'unicorn'}}, 'foo.bar');
 dotProp.get({foo: {bar: 'a'}}, 'foo.notDefined.deep');
+dotProp.get({foo: {bar: 'a'}}, 'foo.notDefined.deep', 'default value');
 dotProp.get({foo: {'dot.dot': 'unicorn'}}, 'foo.dot\\.dot');
 
 const obj = {foo: {bar: 'a'}};
-dotProp.set(obj, 'foo.bar', 'b');
+set(obj, 'foo.bar', 'b');
+console.log(obj);
 dotProp.set(obj, 'foo.baz', 'x');
-dotProp.set(obj, 'foo.dot\\.dot', 'unicorn');
+console.log(obj);
+
+has({foo: {bar: 'unicorn'}}, 'foo.bar');
+dotProp.has({foo: {bar: 'unicorn'}}, 'foo.bar');
+
+dotProp.delete(obj, 'foo.bar');
+console.log(obj);
+(<any> obj).foo.bar = {x: 'y', y: 'x'};
+dotProp.delete(obj, 'foo.bar.x');
+console.log(obj);
diff --git a/types/dot-prop/index.d.ts b/types/dot-prop/index.d.ts
index b8d9ce406c..31877dbd9e 100644
--- a/types/dot-prop/index.d.ts
+++ b/types/dot-prop/index.d.ts
@@ -1,8 +1,17 @@
-// Type definitions for dot-prop
-// Project: https://github.com/sindresorhus/dot-prop
+// Type definitions for dot-prop 4.1
+// Project: https://github.com/sindresorhus/dot-prop#readme
 // Definitions by: Sam Verschueren <https://github.com/samverschueren>
+//                 BendingBender <https://github.com/BendingBender>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.2
 
+interface DotProp {
+    get(obj: object, path: string, defaultValue?: any): any;
+    set(obj: object, path: string, value: any): void;
+    has(obj: object, path: string): boolean;
+    delete(obj: object, path: string): boolean;
+}
 
-export declare function get(object: any, path: string): any;
-export declare function set(object: any, path: string, value: any): void;
+declare const dotProp: DotProp;
+
+export = dotProp;
diff --git a/types/dot-prop/tsconfig.json b/types/dot-prop/tsconfig.json
index f404606239..9569bb6470 100644
--- a/types/dot-prop/tsconfig.json
+++ b/types/dot-prop/tsconfig.json
@@ -6,7 +6,7 @@
         ],
         "noImplicitAny": true,
         "noImplicitThis": true,
-        "strictNullChecks": false,
+        "strictNullChecks": true,
         "baseUrl": "../",
         "typeRoots": [
             "../"
@@ -19,4 +19,4 @@
         "index.d.ts",
         "dot-prop-tests.ts"
     ]
-}
\ No newline at end of file
+}
diff --git a/types/dot-prop/tslint.json b/types/dot-prop/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/dot-prop/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }
diff --git a/types/dot-prop/v2/dot-prop-tests.ts b/types/dot-prop/v2/dot-prop-tests.ts
new file mode 100644
index 0000000000..f9991f8d5b
--- /dev/null
+++ b/types/dot-prop/v2/dot-prop-tests.ts
@@ -0,0 +1,10 @@
+import * as dotProp from 'dot-prop';
+
+dotProp.get({foo: {bar: 'unicorn'}}, 'foo.bar');
+dotProp.get({foo: {bar: 'a'}}, 'foo.notDefined.deep');
+dotProp.get({foo: {'dot.dot': 'unicorn'}}, 'foo.dot\\.dot');
+
+const obj = {foo: {bar: 'a'}};
+dotProp.set(obj, 'foo.bar', 'b');
+dotProp.set(obj, 'foo.baz', 'x');
+dotProp.set(obj, 'foo.dot\\.dot', 'unicorn');
diff --git a/types/dot-prop/v2/index.d.ts b/types/dot-prop/v2/index.d.ts
new file mode 100644
index 0000000000..86964e32a7
--- /dev/null
+++ b/types/dot-prop/v2/index.d.ts
@@ -0,0 +1,7 @@
+// Type definitions for dot-prop 2.x
+// Project: https://github.com/sindresorhus/dot-prop
+// Definitions by: Sam Verschueren <https://github.com/samverschueren>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export function get(object: any, path: string): any;
+export function set(object: any, path: string, value: any): void;
diff --git a/types/dot-prop/v2/tsconfig.json b/types/dot-prop/v2/tsconfig.json
new file mode 100644
index 0000000000..2e274e84da
--- /dev/null
+++ b/types/dot-prop/v2/tsconfig.json
@@ -0,0 +1,25 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": false,
+        "baseUrl": "../../",
+        "typeRoots": [
+            "../../"
+        ],
+        "paths": {
+            "dot-prop": ["dot-prop/v2"]
+        },
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "dot-prop-tests.ts"
+    ]
+}
diff --git a/types/dot-prop/v2/tslint.json b/types/dot-prop/v2/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/dot-prop/v2/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }