diff --git a/src/js/plyr.d.ts b/src/js/plyr.d.ts
index 4b332aeb..479cfa98 100644
--- a/src/js/plyr.d.ts
+++ b/src/js/plyr.d.ts
@@ -138,10 +138,15 @@ declare class Plyr {
    */
   ratio?: string;
 
+  /**
+   * Access Elements cache
+   */
+  elements: Plyr.Elements;
+
   /**
    * Returns the current video Provider
    */
-  readonly provider: 'html5' | 'vimeo' | 'youtube';
+  readonly provider: Plyr.Provider;
 
   /**
    * Returns the native API for Vimeo or Youtube players
@@ -510,6 +515,8 @@ declare namespace Plyr {
 
   interface QualityOptions {
     default: number;
+    forced?: boolean;
+    onChange?: (quality: number) => void;
     options: number[];
   }
 
@@ -560,6 +567,27 @@ declare namespace Plyr {
     src?: string | string[];
   }
 
+  export interface Elements {
+    buttons: {
+      airplay?: HTMLButtonElement;
+      captions?: HTMLButtonElement;
+      download?: HTMLButtonElement;
+      fastForward?: HTMLButtonElement;
+      fullscreen?: HTMLButtonElement;
+      mute?: HTMLButtonElement;
+      pip?: HTMLButtonElement;
+      play?: HTMLButtonElement | HTMLButtonElement[];
+      restart?: HTMLButtonElement;
+      rewind?: HTMLButtonElement;
+      settings?: HTMLButtonElement;
+    };
+    captions: HTMLElement | null;
+    container: HTMLElement | null;
+    controls: HTMLElement | null;
+    fullscreen: HTMLElement | null;
+    wrapper: HTMLElement | null;
+  }
+
   interface SourceInfo {
     /**
      * Note: YouTube and Vimeo are currently not supported as audio sources.