diff --git a/sentence-case/sentence-case.d.ts b/sentence-case/sentence-case.d.ts
new file mode 100644
index 000000000..3f8639648
--- /dev/null
+++ b/sentence-case/sentence-case.d.ts
@@ -0,0 +1,9 @@
+// Type definitions for sentence-case
+// Project: https://github.com/blakeembrey/sentence-case
+// Definitions by: Sam Saint-Pettersen <https://github.com/stpettersens>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+declare module "sentence-case" {
+	function sentenceCase(string: string, locale?: string, repl?: string): string;
+	export = sentenceCase;
+}