diff --git a/modules/openapi-generator/src/main/resources/zapier/package.mustache b/modules/openapi-generator/src/main/resources/zapier/package.mustache
index 9759b8520ee..4d24a12a7a1 100644
--- a/modules/openapi-generator/src/main/resources/zapier/package.mustache
+++ b/modules/openapi-generator/src/main/resources/zapier/package.mustache
@@ -13,7 +13,7 @@
   },
   "dependencies": {
     "lodash": "^4.17.21",
-    "zapier-platform-core": "15.0.1",
+    "zapier-platform-core": "15.4.1",
     "form-data": "2.1.4"
   },
   "devDependencies": {
@@ -22,6 +22,6 @@
   },
   "private": true,
   "zapier": {
-    "convertedByCLIVersion": "14.1.1"
+    "convertedByCLIVersion": "15.4.1"
   }
 }
\ No newline at end of file
diff --git a/modules/openapi-generator/src/main/resources/zapier/utils.mustache b/modules/openapi-generator/src/main/resources/zapier/utils.mustache
index a73f00e4778..201a15fb582 100644
--- a/modules/openapi-generator/src/main/resources/zapier/utils.mustache
+++ b/modules/openapi-generator/src/main/resources/zapier/utils.mustache
@@ -1,14 +1,14 @@
 const _ = require('lodash')
 
 const replacePathParameters = (url) => url.replace(/{([^{}]+)}/g, (keyExpr, key) => `{{bundle.inputData.${key}}}`)
-const childMapping = (objectsArray, prefix, model) => objectsArray.map(object => model.mapping({inputData: object}, prefix))
+const childMapping = (objectsArray, prefix, model) => objectsArray ? objectsArray.map(object => model.mapping({inputData: object}, prefix)) : undefined
 const removeIfEmpty = (obj) => _.isEmpty(JSON.parse(JSON.stringify(obj))) ? undefined : obj
 const buildKeyAndLabel = (prefix, isInput = true, isArrayChild = false) => {
     const keyPrefix = !_.isEmpty(prefix) && (!isArrayChild || isInput) ? `${prefix}${isInput ? '.' : '__'}` : prefix
     const labelPrefix = !_.isEmpty(keyPrefix) ? keyPrefix.replaceAll('__', '.') : ''
     return {
         keyPrefix: keyPrefix,
-        labelPrefix:labelPrefix,
+        labelPrefix: labelPrefix,
     }
 }
 const isSearchAction = (key) => {
diff --git a/samples/client/petstore/zapier/package.json b/samples/client/petstore/zapier/package.json
index 415649542cc..961f5a6d84c 100644
--- a/samples/client/petstore/zapier/package.json
+++ b/samples/client/petstore/zapier/package.json
@@ -13,7 +13,7 @@
   },
   "dependencies": {
     "lodash": "^4.17.21",
-    "zapier-platform-core": "15.0.1",
+    "zapier-platform-core": "15.4.1",
     "form-data": "2.1.4"
   },
   "devDependencies": {
@@ -22,6 +22,6 @@
   },
   "private": true,
   "zapier": {
-    "convertedByCLIVersion": "14.1.1"
+    "convertedByCLIVersion": "15.4.1"
   }
 }
\ No newline at end of file
diff --git a/samples/client/petstore/zapier/utils/utils.js b/samples/client/petstore/zapier/utils/utils.js
index a73f00e4778..201a15fb582 100644
--- a/samples/client/petstore/zapier/utils/utils.js
+++ b/samples/client/petstore/zapier/utils/utils.js
@@ -1,14 +1,14 @@
 const _ = require('lodash')
 
 const replacePathParameters = (url) => url.replace(/{([^{}]+)}/g, (keyExpr, key) => `{{bundle.inputData.${key}}}`)
-const childMapping = (objectsArray, prefix, model) => objectsArray.map(object => model.mapping({inputData: object}, prefix))
+const childMapping = (objectsArray, prefix, model) => objectsArray ? objectsArray.map(object => model.mapping({inputData: object}, prefix)) : undefined
 const removeIfEmpty = (obj) => _.isEmpty(JSON.parse(JSON.stringify(obj))) ? undefined : obj
 const buildKeyAndLabel = (prefix, isInput = true, isArrayChild = false) => {
     const keyPrefix = !_.isEmpty(prefix) && (!isArrayChild || isInput) ? `${prefix}${isInput ? '.' : '__'}` : prefix
     const labelPrefix = !_.isEmpty(keyPrefix) ? keyPrefix.replaceAll('__', '.') : ''
     return {
         keyPrefix: keyPrefix,
-        labelPrefix:labelPrefix,
+        labelPrefix: labelPrefix,
     }
 }
 const isSearchAction = (key) => {