diff --git a/index.d.ts b/index.d.ts
index 172c4153..b2c04a43 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -1,8 +1,43 @@
-import { FunctionalComponentOptions, VueConstructor } from 'vue'
-import { PropsDefinition } from 'vue/types/options'
-interface FontAwesomeIconProps { }
-interface FontAwesomeLayersProps { }
-interface FontAwesomeLayersTextProps { }
-export const FontAwesomeIcon: FunctionalComponentOptions<FontAwesomeIconProps, PropsDefinition<FontAwesomeIconProps>> & VueConstructor
-export const FontAwesomeLayers: FunctionalComponentOptions<FontAwesomeLayersProps, PropsDefinition<FontAwesomeLayersProps>>
-export const FontAwesomeLayersText: FunctionalComponentOptions<FontAwesomeLayersTextProps, PropsDefinition<FontAwesomeLayersTextProps>>
+import { IconDefinition } from '@fortawesome/fontawesome-svg-core';
+import { DefineComponent } from 'vue'
+
+interface FontAwesomeIconProps {
+  border?: boolean
+  fixedWidth?: boolean
+  flip?: 'horizontal' | 'vertical' | 'both'
+  icon: object | Array<string> | string | IconDefinition
+  mask?: object | Array<string> | string
+  listItem?: boolean
+  pull?: 'right' | 'left'
+  pulse?: boolean
+  rotation?: 90 | 180 | 270 | '90' | '180' | '270'
+  swapOpacity?: boolean
+  size?: '2xs' | 'xs' | 'sm' | 'lg' | 'xl' | '2xl' | '1x' | '2x' | '3x' | '4x' | '5x' | '6x' | '7x' | '8x' | '9x' | '10x'
+  spin?: boolean
+  transform?: object | string
+  symbol?: boolean | string
+  title?: string
+  inverse?: boolean
+  bounce?: boolean
+  shake?: boolean
+  beat?: boolean
+  fade?: boolean
+  beatFade?: boolean
+  spinPulse?: boolean
+  spinReverse?: boolean
+}
+
+interface FontAwesomeLayersProps {
+  fixedWidth?: boolean
+}
+
+interface FontAwesomeLayersTextProps {
+  value: string | number
+  transform?: object | string
+  counter?: boolean
+  position?: 'bottom-left' | 'bottom-right' | 'top-left' | 'top-right'
+}
+
+declare const FontAwesomeIcon: DefineComponent<FontAwesomeIconProps>
+declare const FontAwesomeLayers: DefineComponent<FontAwesomeLayersProps>
+declare const FontAwesomeLayersText: DefineComponent<FontAwesomeLayersTextProps>