diff --git a/.changeset/petite-shoes-play.md b/.changeset/petite-shoes-play.md
new file mode 100644
index 00000000..a5323e5a
--- /dev/null
+++ b/.changeset/petite-shoes-play.md
@@ -0,0 +1,5 @@
+---
+"@saleor/app-sdk": patch
+---
+
+Add "long-text" attribute for available field type in FormUpdate events
diff --git a/src/app-bridge/form-payload.ts b/src/app-bridge/form-payload.ts
index 39d2f276..84f97b3b 100644
--- a/src/app-bridge/form-payload.ts
+++ b/src/app-bridge/form-payload.ts
@@ -26,7 +26,7 @@ type TranslationField = {
   originalValue: string;
   translatedValue: string;
   currentValue: string;
-  type: "short-text" | "editorjs";
+  type: "short-text" | "editorjs" | "long-text";
 };
 
 export type FormPayloadProductTranslate = ProductPayloadBase & {
@@ -59,7 +59,7 @@ export type FormPayloadProductEdit = ProductPayloadBase & {
       fieldName: string;
       originalValue: string;
       currentValue: string;
-      type: "short-text" | "editorjs";
+      type: "short-text" | "editorjs" | "long-text";
     }
   >;
 };