diff --git a/usbSerialExamples/src/main/java/com/hoho/android/usbserial/examples/TerminalFragment.java b/usbSerialExamples/src/main/java/com/hoho/android/usbserial/examples/TerminalFragment.java
index b80a7d4..2f4cfb3 100644
--- a/usbSerialExamples/src/main/java/com/hoho/android/usbserial/examples/TerminalFragment.java
+++ b/usbSerialExamples/src/main/java/com/hoho/android/usbserial/examples/TerminalFragment.java
@@ -212,7 +212,7 @@ public class TerminalFragment extends Fragment implements SerialInputOutputManag
         UsbDeviceConnection usbConnection = usbManager.openDevice(driver.getDevice());
         if(usbConnection == null && usbPermission == UsbPermission.Unknown && !usbManager.hasPermission(driver.getDevice())) {
             usbPermission = UsbPermission.Requested;
-            int flags = Build.VERSION.SDK_INT >= Build.VERSION_CODES.M ? PendingIntent.FLAG_IMMUTABLE : 0;
+            int flags = Build.VERSION.SDK_INT >= Build.VERSION_CODES.M ? PendingIntent.FLAG_MUTABLE : 0;
             PendingIntent usbPermissionIntent = PendingIntent.getBroadcast(getActivity(), 0, new Intent(INTENT_ACTION_GRANT_USB), flags);
             usbManager.requestPermission(driver.getDevice(), usbPermissionIntent);
             return;
diff --git a/usbSerialForAndroid/src/androidTest/java/com/hoho/android/usbserial/util/UsbWrapper.java b/usbSerialForAndroid/src/androidTest/java/com/hoho/android/usbserial/util/UsbWrapper.java
index 0d7e476..43b448f 100644
--- a/usbSerialForAndroid/src/androidTest/java/com/hoho/android/usbserial/util/UsbWrapper.java
+++ b/usbSerialForAndroid/src/androidTest/java/com/hoho/android/usbserial/util/UsbWrapper.java
@@ -84,7 +84,7 @@ public class UsbWrapper implements SerialInputOutputManager.Listener {
                     granted[0] = intent.getBooleanExtra(UsbManager.EXTRA_PERMISSION_GRANTED, false);
                 }
             };
-            int flags = Build.VERSION.SDK_INT >= Build.VERSION_CODES.M ? PendingIntent.FLAG_IMMUTABLE : 0;
+            int flags = Build.VERSION.SDK_INT >= Build.VERSION_CODES.M ? PendingIntent.FLAG_MUTABLE : 0;
             PendingIntent permissionIntent = PendingIntent.getBroadcast(context, 0, new Intent("com.android.example.USB_PERMISSION"), flags);
             IntentFilter filter = new IntentFilter("com.android.example.USB_PERMISSION");
             context.registerReceiver(usbReceiver, filter);