diff --git a/snake-case/snake-case.d.ts b/snake-case/snake-case.d.ts
new file mode 100644
index 000000000..96db37535
--- /dev/null
+++ b/snake-case/snake-case.d.ts
@@ -0,0 +1,9 @@
+// Type definitions for snake-case
+// Project: https://github.com/blakeembrey/snake-case
+// Definitions by: Sam Saint-Pettersen <https://github.com/stpettersens>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+declare module "snake-case" {
+	function snakeCase(string: string, locale?: string): string;
+	export = snakeCase;
+}