diff --git a/include/android_stub/android/hardware_buffer.h b/include/android_stub/android/hardware_buffer.h
index dcb05b5536d..aa03b4b096e 100644
--- a/include/android_stub/android/hardware_buffer.h
+++ b/include/android_stub/android/hardware_buffer.h
@@ -158,6 +158,13 @@ enum AHardwareBuffer_Format {
      * cube-maps or multi-layered textures.
      */
     AHARDWAREBUFFER_FORMAT_Y8Cb8Cr8_420             = 0x23,
+
+    /**
+     * Corresponding formats:
+     *   Vulkan: VK_FORMAT_R8_UNORM
+     *   OpenGL ES: GR_GL_R8
+     */
+    AHARDWAREBUFFER_FORMAT_R8_UNORM                 = 0x38,
 };
 
 /**
diff --git a/src/vulkan/runtime/vk_android.c b/src/vulkan/runtime/vk_android.c
index 8ae7c3cfc8e..af1e6c7a317 100644
--- a/src/vulkan/runtime/vk_android.c
+++ b/src/vulkan/runtime/vk_android.c
@@ -403,6 +403,10 @@ vk_ahb_format_to_image_format(uint32_t ahb_format)
       return VK_FORMAT_D32_SFLOAT_S8_UINT;
    case AHARDWAREBUFFER_FORMAT_S8_UINT:
       return VK_FORMAT_S8_UINT;
+#if ANDROID_API_LEVEL >= 33
+   case AHARDWAREBUFFER_FORMAT_R8_UNORM:
+      return VK_FORMAT_R8_UNORM;
+#endif
    default:
       return VK_FORMAT_UNDEFINED;
    }
@@ -440,6 +444,10 @@ vk_image_format_to_ahb_format(VkFormat vk_format)
       return AHARDWAREBUFFER_FORMAT_D32_FLOAT_S8_UINT;
    case VK_FORMAT_S8_UINT:
       return AHARDWAREBUFFER_FORMAT_S8_UINT;
+#if ANDROID_API_LEVEL >= 33
+   case VK_FORMAT_R8_UNORM:
+      return AHARDWAREBUFFER_FORMAT_R8_UNORM;
+#endif
    default:
       return 0;
    }