diff --git a/types/index.d.ts b/types/index.d.ts
index 7a11e6a..ca8185e 100644
--- a/types/index.d.ts
+++ b/types/index.d.ts
@@ -31,63 +31,63 @@ export interface Chalk {
 	constructor: ChalkConstructor;
 	enabled: boolean;
 	level: Level;
-	rgb(r: number, g: number, b: number): Chalk;
-	hsl(h: number, s: number, l: number): Chalk;
-	hsv(h: number, s: number, v: number): Chalk;
-	hwb(h: number, w: number, b: number): Chalk;
-	bgHex(color: string): Chalk;
-	bgKeyword(color: string): Chalk;
-	bgRgb(r: number, g: number, b: number): Chalk;
-	bgHsl(h: number, s: number, l: number): Chalk;
-	bgHsv(h: number, s: number, v: number): Chalk;
-	bgHwb(h: number, w: number, b: number): Chalk;
-	hex(color: string): Chalk;
-	keyword(color: string): Chalk;
+	rgb(r: number, g: number, b: number): this;
+	hsl(h: number, s: number, l: number): this;
+	hsv(h: number, s: number, v: number): this;
+	hwb(h: number, w: number, b: number): this;
+	bgHex(color: string): this;
+	bgKeyword(color: string): this;
+	bgRgb(r: number, g: number, b: number): this;
+	bgHsl(h: number, s: number, l: number): this;
+	bgHsv(h: number, s: number, v: number): this;
+	bgHwb(h: number, w: number, b: number): this;
+	hex(color: string): this;
+	keyword(color: string): this;
 
-	reset: Chalk;
-	bold: Chalk;
-	dim: Chalk;
-	italic: Chalk;
-	underline: Chalk;
-	inverse: Chalk;
-	hidden: Chalk;
-	strikethrough: Chalk;
+	reset: this;
+	bold: this;
+	dim: this;
+	italic: this;
+	underline: this;
+	inverse: this;
+	hidden: this;
+	strikethrough: this;
 
-	black: Chalk;
-	red: Chalk;
-	green: Chalk;
-	yellow: Chalk;
-	blue: Chalk;
-	magenta: Chalk;
-	cyan: Chalk;
-	white: Chalk;
-	gray: Chalk;
-	grey: Chalk;
-	blackBright: Chalk;
-	redBright: Chalk;
-	greenBright: Chalk;
-	yellowBright: Chalk;
-	blueBright: Chalk;
-	magentaBright: Chalk;
-	cyanBright: Chalk;
-	whiteBright: Chalk;
+	black: this;
+	red: this;
+	green: this;
+	yellow: this;
+	blue: this;
+	magenta: this;
+	cyan: this;
+	white: this;
+	gray: this;
+	grey: this;
+	blackBright: this;
+	redBright: this;
+	greenBright: this;
+	yellowBright: this;
+	blueBright: this;
+	magentaBright: this;
+	cyanBright: this;
+	whiteBright: this;
 
-	bgBlack: Chalk;
-	bgRed: Chalk;
-	bgGreen: Chalk;
-	bgYellow: Chalk;
-	bgBlue: Chalk;
-	bgMagenta: Chalk;
-	bgCyan: Chalk;
-	bgWhite: Chalk;
-	bgBlackBright: Chalk;
-	bgRedBright: Chalk;
-	bgGreenBright: Chalk;
-	bgYellowBright: Chalk;
-	bgBlueBright: Chalk;
-	bgMagentaBright: Chalk;
-	bgCyanBright: Chalk;
-	bgWhiteBright: Chalk;
+	bgBlack: this;
+	bgRed: this;
+	bgGreen: this;
+	bgYellow: this;
+	bgBlue: this;
+	bgMagenta: this;
+	bgCyan: this;
+	bgWhite: this;
+	bgBlackBright: this;
+	bgRedBright: this;
+	bgGreenBright: this;
+	bgYellowBright: this;
+	bgBlueBright: this;
+	bgMagentaBright: this;
+	bgCyanBright: this;
+	bgWhiteBright: this;
 }
 
 declare const chalk: Chalk & { supportsColor: ColorSupport };