diff --git a/types/gulp-json-validator/gulp-json-validator-tests.ts b/types/gulp-json-validator/gulp-json-validator-tests.ts
new file mode 100644
index 0000000000..74a00f03da
--- /dev/null
+++ b/types/gulp-json-validator/gulp-json-validator-tests.ts
@@ -0,0 +1,6 @@
+import gulpJsonValidator = require("gulp-json-validator");
+
+gulpJsonValidator(); // $ExpectType ReadWriteStream
+gulpJsonValidator({}); // $ExpectType ReadWriteStream
+gulpJsonValidator({ allowDuplicatedKeys: true }); // $ExpectType ReadWriteStream
+gulpJsonValidator({ allowDuplicatedKeys: false }); // $ExpectType ReadWriteStream
diff --git a/types/gulp-json-validator/index.d.ts b/types/gulp-json-validator/index.d.ts
new file mode 100644
index 0000000000..26e31d8b43
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+++ b/types/gulp-json-validator/index.d.ts
@@ -0,0 +1,14 @@
+// Type definitions for gulp-json-validator 1.2
+// Project: https://github.com/jackyjieliu/gulp-json-validator
+// Definitions by: Peter Safranek <https://github.com/pe8ter>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+/// <reference types="node" />
+
+interface GulpJsonValidatorOptions {
+    allowDuplicatedKeys?: boolean;
+}
+
+declare function gulpJsonValidator(option?: GulpJsonValidatorOptions): NodeJS.ReadWriteStream;
+
+export = gulpJsonValidator;
diff --git a/types/gulp-json-validator/tsconfig.json b/types/gulp-json-validator/tsconfig.json
new file mode 100644
index 0000000000..76ee50c184
--- /dev/null
+++ b/types/gulp-json-validator/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",
+        "gulp-json-validator-tests.ts"
+    ]
+}
diff --git a/types/gulp-json-validator/tslint.json b/types/gulp-json-validator/tslint.json
new file mode 100644
index 0000000000..702f9354fc
--- /dev/null
+++ b/types/gulp-json-validator/tslint.json
@@ -0,0 +1,6 @@
+{
+    "extends": "dtslint/dt.json",
+    "rules": {
+        "file-name-casing": false
+    }
+}