diff --git a/src/utils/isValidJson.ts b/src/utils/isValidJson.ts
index fdcd116..d9bf83b 100644
--- a/src/utils/isValidJson.ts
+++ b/src/utils/isValidJson.ts
@@ -2,7 +2,7 @@
  * Checks if string is in valid JSON format else throw error.
  * @param str - string to check.
  */
-export const isValidJson = (str: string) => {
+export const isValidJson = (str: string | object) => {
   try {
     str = typeof str !== 'string' ? JSON.stringify(str) : str
     JSON.parse(str)