diff --git a/types/index.d.ts b/types/index.d.ts
index 8a2b575..fb4dcea 100644
--- a/types/index.d.ts
+++ b/types/index.d.ts
@@ -520,7 +520,7 @@ export interface CellObject {
     l?: Hyperlink;
 
     /** The style/theme of the cell (if applicable) */
-    s?: object;
+    s?: any;
 }
 
 /** Simple Cell Address */