diff --git a/config.go b/config.go
index 1250ff92..a25d039b 100755
--- a/config.go
+++ b/config.go
@@ -13,18 +13,19 @@ import (
 
 // Configs stores the step's inputs
 type Configs struct {
-	JSONKeyPath                 stepconf.Secret `env:"service_account_json_key_path,required"`
-	PackageName                 string          `env:"package_name,required"`
-	AppPath                     string          `env:"app_path,required"`
-	ExpansionfilePath           string          `env:"expansionfile_path"`
-	Track                       string          `env:"track,required"`
-	UserFraction                float64         `env:"user_fraction,range]0.0..1.0["`
-	UpdatePriority              int             `env:"update_priority,range[0..5]"`
-	WhatsnewsDir                string          `env:"whatsnews_dir"`
-	MappingFile                 string          `env:"mapping_file"`
-	ReleaseName                 string          `env:"release_name"`
-	Status                      string          `env:"status"`
-	RetryWithoutSendingToReview bool            `env:"retry_without_sending_to_review,opt[true,false]"`
+	JSONKeyPath                  stepconf.Secret `env:"service_account_json_key_path,required"`
+	PackageName                  string          `env:"package_name,required"`
+	AppPath                      string          `env:"app_path,required"`
+	ExpansionfilePath            string          `env:"expansionfile_path"`
+	Track                        string          `env:"track,required"`
+	UserFraction                 float64         `env:"user_fraction,range]0.0..1.0["`
+	UpdatePriority               int             `env:"update_priority,range[0..5]"`
+	WhatsnewsDir                 string          `env:"whatsnews_dir"`
+	MappingFile                  string          `env:"mapping_file"`
+	ReleaseName                  string          `env:"release_name"`
+	Status                       string          `env:"status"`
+	RetryWithoutSendingToReview  bool            `env:"retry_without_sending_to_review,opt[true,false]"`
+	AckBundleInstallationWarning bool            `env:"ack_bundle_installation_warning,opt[true,false]"`
 }
 
 // validate validates the Configs.
diff --git a/main.go b/main.go
index 819ac154..d44be834 100755
--- a/main.go
+++ b/main.go
@@ -44,7 +44,7 @@ func uploadApplications(configs Configs, service *androidpublisher.Service, appE
 		}
 
 		if strings.ToLower(filepath.Ext(appPath)) == ".aab" {
-			bundle, err := uploadAppBundle(service, configs.PackageName, appEdit.Id, appFile)
+			bundle, err := uploadAppBundle(service, configs.PackageName, appEdit.Id, appFile, configs.AckBundleInstallationWarning)
 			if err != nil {
 				return nil, err
 			}
@@ -196,7 +196,7 @@ func executeEdit(service *androidpublisher.Service, configs Configs, changesNotS
 	log.Infof("Upload apks or app bundles")
 	versionCodes, err := uploadApplications(configs, service, appEdit)
 	if err != nil {
-		return fmt.Sprintf("Failed to upload APKs: %v", err)
+		return fmt.Sprintf("Failed to upload application(s): %v", err)
 	}
 	log.Donef("Applications uploaded")
 
diff --git a/publish.go b/publish.go
index 8653a314..4beacaba 100755
--- a/publish.go
+++ b/publish.go
@@ -20,6 +20,9 @@ const (
 	releaseStatusHalted     = "halted"
 )
 
+const bundleInstallationWarning = "Error 403: The installation of the app bundle may be too large " +
+	"and trigger user warning on some devices, and this needs to be explicitly acknowledged in the request."
+
 // uploadExpansionFiles uploads the expansion files for given applications, like .obb files.
 func uploadExpansionFiles(service *androidpublisher.Service, expFileEntry string, packageName string, appEditID string, versionCode int64) error {
 	cleanExpFileConfigEntry := strings.TrimSpace(expFileEntry)
@@ -92,16 +95,21 @@ func uploadMappingFile(service *androidpublisher.Service, configs Configs, appEd
 }
 
 // uploadAppBundle uploads aab files to Google Play. Returns the uploaded bundle itself or an error.
-func uploadAppBundle(service *androidpublisher.Service, packageName string, appEditID string, appFile *os.File) (*androidpublisher.Bundle, error) {
+func uploadAppBundle(service *androidpublisher.Service, packageName string, appEditID string, appFile *os.File, ackBundleInstallationWarning bool) (*androidpublisher.Bundle, error) {
 	log.Debugf("Uploading file %v with package name '%v', AppEditId '%v", appFile, packageName, appEditID)
 	editsBundlesService := androidpublisher.NewEditsBundlesService(service)
 
 	editsBundlesUploadCall := editsBundlesService.Upload(packageName, appEditID)
 	editsBundlesUploadCall.Media(appFile, googleapi.ContentType("application/octet-stream"))
+	editsBundlesUploadCall.AckBundleInstallationWarning(ackBundleInstallationWarning)
 
 	bundle, err := editsBundlesUploadCall.Do()
 	if err != nil {
-		return &androidpublisher.Bundle{}, fmt.Errorf("failed to upload app bundle, error: %s", err)
+		msg := fmt.Sprintf("failed to upload app bundle, error: %s", err)
+		if strings.Contains(err.Error(), bundleInstallationWarning) {
+			msg = fmt.Sprintf("%s\nTo acknowledge this warning, set the Acknowledge Bundle Installation Warning (ack_bundle_installation_warning) input to true.", msg)
+		}
+		return nil, fmt.Errorf(msg)
 	}
 	log.Infof("Uploaded app bundle version: %d", bundle.VersionCode)
 	return bundle, nil
@@ -117,7 +125,7 @@ func uploadAppApk(service *androidpublisher.Service, packageName string, appEdit
 
 	apk, err := editsApksUploadCall.Do()
 	if err != nil {
-		return &androidpublisher.Apk{}, fmt.Errorf("failed to upload apk, error: %s", err)
+		return nil, fmt.Errorf("failed to upload apk, error: %s", err)
 	}
 	log.Infof("Uploaded apk version: %d", apk.VersionCode)
 	return apk, nil
diff --git a/step.yml b/step.yml
index 2fc177ef..b2068bc6 100755
--- a/step.yml
+++ b/step.yml
@@ -173,3 +173,14 @@ inputs:
     value_options:
     - "true"
     - "false"
+
+- ack_bundle_installation_warning: "false"
+  opts:
+    title: Acknowledge Bundle Installation Warning
+    description: |-
+      Must be set to `true` if the App Bundle installation may trigger a warning on user devices
+      (for example, if installation size may be over a threshold, typically 100 MB).
+    is_required: true
+    value_options:
+    - "true"
+    - "false"