diff --git a/types/find-versions/find-versions-tests.ts b/types/find-versions/find-versions-tests.ts
index 81ea6ca974..e92e6d9848 100644
--- a/types/find-versions/find-versions-tests.ts
+++ b/types/find-versions/find-versions-tests.ts
@@ -1,3 +1,4 @@
 import findVersions = require('find-versions');
 
-findVersions('node v1.0.0');
+findVersions('node v1.0.0'); // $ExpectType string[]
+findVersions('1.0', { loose: true }); // $ExpectType string[]
diff --git a/types/find-versions/index.d.ts b/types/find-versions/index.d.ts
index 449c5a45c3..f22e3796e2 100644
--- a/types/find-versions/index.d.ts
+++ b/types/find-versions/index.d.ts
@@ -3,5 +3,5 @@
 // Definitions by: Leonid Logvinov <https://github.com/LogvinovLeon>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
-declare function findVersions(version: string): string[];
+declare function findVersions(version: string, options?: { loose: boolean }): string[];
 export = findVersions;