diff --git a/hal/audio_hal_plugin.h b/hal/audio_hal_plugin.h
index 595a89fb..b5033c84 100644
--- a/hal/audio_hal_plugin.h
+++ b/hal/audio_hal_plugin.h
@@ -108,6 +108,7 @@ typedef enum
     AUDIO_HAL_PLUGIN_USECASE_LINE_IN_PASSTHROUGH,
     AUDIO_HAL_PLUGIN_USECASE_HDMI_IN_PASSTHROUGH,
     AUDIO_HAL_PLUGIN_USECASE_PHONE_PLAYBACK,
+    AUDIO_HAL_PLUGIN_USECASE_VOICE_ACTIVATION,
     AUDIO_HAL_PLUGIN_USECASE_MAX
 } audio_hal_plugin_usecase_type_t;