diff --git a/calendar.test.js b/calendar.test.js
index 1497ab4..507b654 100644
--- a/calendar.test.js
+++ b/calendar.test.js
@@ -13,5 +13,9 @@ describe('Calendar Merging API', () => {
             fs.mkdirSync(MERGED_CALENDARS_DIR);
         }
     });
+    afterAll(() => {
+        // Clean up the merged calendars directory after tests
+        fs.rmdirSync(MERGED_CALENDARS_DIR, { recursive: true });
+    });
 
 });
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