1 files changed, 1 insertions, 1 deletions
diff --git a/src/sources/ISource.ts b/src/sources/ISource.ts
index 042aaae..3605260 100644
--- a/src/sources/ISource.ts
+++ b/src/sources/ISource.ts
@@ -1,3 +1,3 @@
 export interface ISource {
-    getData(): Promise<string>;
+    getData(weekOfYear: number): PromiseLike<string>;
 }