diff --git a/src/core/toast.ts b/src/core/toast.ts
index ec83ef9b..54b513c6 100644
--- a/src/core/toast.ts
+++ b/src/core/toast.ts
@@ -233,7 +233,10 @@ toast.isActive = (id: Id) => {
   return isToastActive;
 };
 
-toast.update = (toastId: Id, options: UpdateOptions = {}) => {
+toast.update = <TData = unknown>(
+  toastId: Id,
+  options: UpdateOptions<TData> = {}
+) => {
   // if you call toast and toast.update directly nothing will be displayed
   // this is why I defered the update
   setTimeout(() => {
diff --git a/src/types/index.ts b/src/types/index.ts
index abf5935c..3b02d6f9 100644
--- a/src/types/index.ts
+++ b/src/types/index.ts
@@ -166,7 +166,7 @@ interface CommonOptions {
   /**
    * @deprecated
    * ⚠️ Will be removed in the next major release. You can pass a react component with you handler instead.
-   * 
+   *
    * Fired when clicking inside toaster
    */
   onClick?: (event: React.MouseEvent) => void;