diff --git a/package-lock.json b/package-lock.json
index 407e3ca2..723e82e3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1198,30 +1198,19 @@
 			}
 		},
 		"node_modules/@prismicio/client": {
-			"version": "7.2.0",
-			"resolved": "https://registry.npmjs.org/@prismicio/client/-/client-7.2.0.tgz",
-			"integrity": "sha512-bfbs2ZMLd3ba7Bp1qI4qAz+13FIWE/JDT9+h+3hL/MVpK4iDpjz3vmOlYJs25myhryU9HP8Og7qKoaeE9hPzmA==",
+			"version": "7.8.0",
+			"resolved": "https://registry.npmjs.org/@prismicio/client/-/client-7.8.0.tgz",
+			"integrity": "sha512-Jv0F5+GCq5ADgdDTZNO6aw/WQp6bkGbg20YuAwSFfihEoG6gAnrMsv2VwSGdW/2QT7TFfa+ezJ+9u2+2Y1mXoQ==",
 			"dev": true,
+			"license": "Apache-2.0",
 			"peer": true,
 			"dependencies": {
-				"@prismicio/richtext": "^2.1.5",
-				"imgix-url-builder": "^0.0.4"
+				"imgix-url-builder": "^0.0.5"
 			},
 			"engines": {
 				"node": ">=14.15.0"
 			}
 		},
-		"node_modules/@prismicio/client/node_modules/imgix-url-builder": {
-			"version": "0.0.4",
-			"resolved": "https://registry.npmjs.org/imgix-url-builder/-/imgix-url-builder-0.0.4.tgz",
-			"integrity": "sha512-JRLydfxGTTbSSOG82ewuCgnmw/CzIPzoDqpP3UYD7RE+QWS8ZZbpF87ZuRqtcbEKdxahRsExinuKRxPZVvukWA==",
-			"dev": true,
-			"license": "Apache-2.0",
-			"peer": true,
-			"engines": {
-				"node": ">=12.7.0"
-			}
-		},
 		"node_modules/@prismicio/mock": {
 			"version": "0.3.7",
 			"resolved": "https://registry.npmjs.org/@prismicio/mock/-/mock-0.3.7.tgz",
@@ -1238,29 +1227,6 @@
 				"@prismicio/client": "^7"
 			}
 		},
-		"node_modules/@prismicio/richtext": {
-			"version": "2.1.5",
-			"resolved": "https://registry.npmjs.org/@prismicio/richtext/-/richtext-2.1.5.tgz",
-			"integrity": "sha512-Sf6iCsciPmfK3uQeFmeY9RTRSuhrCVzyU39OkiJ1VJn8O0531pKapGoWS+5WGxouJtE5+jGqV8L+L2mKP7NkXQ==",
-			"dev": true,
-			"peer": true,
-			"dependencies": {
-				"@prismicio/types": "^0.2.7"
-			},
-			"engines": {
-				"node": ">=12.7.0"
-			}
-		},
-		"node_modules/@prismicio/types": {
-			"version": "0.2.8",
-			"resolved": "https://registry.npmjs.org/@prismicio/types/-/types-0.2.8.tgz",
-			"integrity": "sha512-EmuYYil56U+UtEifMD/9TmLzpWliV+X6kypwPq47GNXmIXyFK1JsP3z872fUziXwoBjd2YILj28DNdYXlLOpXg==",
-			"dev": true,
-			"peer": true,
-			"engines": {
-				"node": ">=12.7.0"
-			}
-		},
 		"node_modules/@prismicio/types-internal": {
 			"version": "2.6.0",
 			"resolved": "https://registry.npmjs.org/@prismicio/types-internal/-/types-internal-2.6.0.tgz",
diff --git a/src/types/api/repository.ts b/src/types/api/repository.ts
index aeec2033..dcd0485c 100644
--- a/src/types/api/repository.ts
+++ b/src/types/api/repository.ts
@@ -91,6 +91,11 @@ export interface Language {
 	 * The name of the language.
 	 */
 	name: string
+
+	/**
+	 * Whether or not the language is the default language of the repository.
+	 */
+	is_master: boolean
 }
 
 /**
diff --git a/test/helpers-isFilled.test.ts b/test/helpers-isFilled.test.ts
index 75970667..4f7b7fcf 100644
--- a/test/helpers-isFilled.test.ts
+++ b/test/helpers-isFilled.test.ts
@@ -61,12 +61,7 @@ it("image", (ctx) => {
 	expect(isFilled.image(null)).toBe(false)
 	expect(isFilled.image(undefined)).toBe(false)
 	expect(isFilled.image({})).toBe(false)
-	expect(
-		isFilled.image(
-			// @ts-expect-error Remove this comment after v7.3.0 is published.
-			ctx.mock.value.image(),
-		),
-	).toBe(true)
+	expect(isFilled.image(ctx.mock.value.image())).toBe(true)
 })
 
 it("image thumbnail", () => {
@@ -137,12 +132,7 @@ it("rich text", (ctx) => {
 	expect(isFilled.richText([{ type: "paragraph", text: "", spans: [] }])).toBe(
 		false,
 	)
-	expect(
-		isFilled.richText(
-			// @ts-expect-error Remove this comment after v7.3.0 is published.
-			ctx.mock.value.richText(),
-		),
-	).toBe(true)
+	expect(isFilled.richText(ctx.mock.value.richText())).toBe(true)
 })
 
 it("select", (ctx) => {
diff --git a/test/helpers-mapSliceZone.test.ts b/test/helpers-mapSliceZone.test.ts
index b431d300..f7b71b24 100644
--- a/test/helpers-mapSliceZone.test.ts
+++ b/test/helpers-mapSliceZone.test.ts
@@ -36,14 +36,10 @@ const generateTestData = (ctx: TestContext) => {
 it("maps a Slice Zone", async (ctx) => {
 	const { sliceZone, model1, model2 } = generateTestData(ctx)
 
-	const actual = await mapSliceZone(
-		// @ts-expect-error Remove this comment after v7.3.0 is published.
-		sliceZone,
-		{
-			[model1.id]: () => ({ foo: "bar" }),
-			[model2.id]: () => ({ baz: "qux" }),
-		},
-	)
+	const actual = await mapSliceZone(sliceZone, {
+		[model1.id]: () => ({ foo: "bar" }),
+		[model2.id]: () => ({ baz: "qux" }),
+	})
 
 	expect(actual).toStrictEqual([
 		{ __mapped: true, id: undefined, slice_type: model1.id, foo: "bar" },
@@ -54,14 +50,10 @@ it("maps a Slice Zone", async (ctx) => {
 it("supports mapping functions that return undefined", async (ctx) => {
 	const { sliceZone, model1, model2 } = generateTestData(ctx)
 
-	const actual = await mapSliceZone(
-		// @ts-expect-error Remove this comment after v7.3.0 is published.
-		sliceZone,
-		{
-			[model1.id]: () => void 0,
-			[model2.id]: () => void 0,
-		},
-	)
+	const actual = await mapSliceZone(sliceZone, {
+		[model1.id]: () => void 0,
+		[model2.id]: () => void 0,
+	})
 
 	expect(actual).toStrictEqual([
 		{ __mapped: true, id: undefined, slice_type: model1.id },
@@ -72,14 +64,10 @@ it("supports mapping functions that return undefined", async (ctx) => {
 it("supports async mapping functions", async (ctx) => {
 	const { sliceZone, model1, model2 } = generateTestData(ctx)
 
-	const actual = await mapSliceZone(
-		// @ts-expect-error Remove this comment after v7.3.0 is published.
-		sliceZone,
-		{
-			[model1.id]: async () => ({ foo: "bar" }),
-			[model2.id]: async () => ({ baz: "qux" }),
-		},
-	)
+	const actual = await mapSliceZone(sliceZone, {
+		[model1.id]: async () => ({ foo: "bar" }),
+		[model2.id]: async () => ({ baz: "qux" }),
+	})
 
 	expect(actual).toStrictEqual([
 		{ __mapped: true, id: undefined, slice_type: model1.id, foo: "bar" },
@@ -90,14 +78,10 @@ it("supports async mapping functions", async (ctx) => {
 it("supports overriding id and slice_type properties", async (ctx) => {
 	const { sliceZone, model1, model2 } = generateTestData(ctx)
 
-	const actual = await mapSliceZone(
-		// @ts-expect-error Remove this comment after v7.3.0 is published.
-		sliceZone,
-		{
-			[model1.id]: async () => ({ id: "foo", slice_type: "bar" }),
-			[model2.id]: async () => ({ id: "baz", slice_type: "qux" }),
-		},
-	)
+	const actual = await mapSliceZone(sliceZone, {
+		[model1.id]: async () => ({ id: "foo", slice_type: "bar" }),
+		[model2.id]: async () => ({ id: "baz", slice_type: "qux" }),
+	})
 
 	expect(actual).toStrictEqual([
 		{ __mapped: true, id: "foo", slice_type: "bar" },
@@ -111,14 +95,10 @@ it("provides Slice data to mapping functions", async (ctx) => {
 	const mapper1 = vi.fn()
 	const mapper2 = vi.fn()
 
-	await mapSliceZone(
-		// @ts-expect-error Remove this comment after v7.3.0 is published.
-		sliceZone,
-		{
-			[model1.id]: mapper1,
-			[model2.id]: mapper2,
-		},
-	)
+	await mapSliceZone(sliceZone, {
+		[model1.id]: mapper1,
+		[model2.id]: mapper2,
+	})
 
 	expect(mapper1).toHaveBeenCalledWith({
 		context: undefined,
@@ -143,7 +123,6 @@ it("supports context", async (ctx) => {
 	const context = { foo: "bar" }
 
 	await mapSliceZone(
-		// @ts-expect-error Remove this comment after v7.3.0 is published.
 		sliceZone,
 		{
 			[model1.id]: mapper1,
@@ -169,16 +148,12 @@ it("supports context", async (ctx) => {
 it("supports lazy-loaded mapping functions", async (ctx) => {
 	const { sliceZone, model1, model2 } = generateTestData(ctx)
 
-	const actual = await mapSliceZone(
-		// @ts-expect-error Remove this comment after v7.3.0 is published.
-		sliceZone,
-		{
-			// Simulates `import()` with a named `default` export.
-			[model1.id]: async () => ({ default: () => ({ foo: "bar" }) }),
-			// Simulates `import()` with a default export.
-			[model2.id]: async () => () => ({ baz: "qux" }),
-		},
-	)
+	const actual = await mapSliceZone(sliceZone, {
+		// Simulates `import()` with a named `default` export.
+		[model1.id]: async () => ({ default: () => ({ foo: "bar" }) }),
+		// Simulates `import()` with a default export.
+		[model2.id]: async () => () => ({ baz: "qux" }),
+	})
 
 	expect(actual).toStrictEqual([
 		{ __mapped: true, id: undefined, slice_type: model1.id, foo: "bar" },
@@ -189,13 +164,9 @@ it("supports lazy-loaded mapping functions", async (ctx) => {
 it("skips Slices without a mapping function", async (ctx) => {
 	const { sliceZone, model1 } = generateTestData(ctx)
 
-	const actual = await mapSliceZone(
-		// @ts-expect-error Remove this comment after v7.3.0 is published.
-		sliceZone,
-		{
-			[model1.id]: () => void 0,
-		},
-	)
+	const actual = await mapSliceZone(sliceZone, {
+		[model1.id]: () => void 0,
+	})
 
 	expect(actual).toStrictEqual([
 		{ __mapped: true, id: undefined, slice_type: model1.id },
diff --git a/test/types/api-language.types.ts b/test/types/api-language.types.ts
index c58beb45..a36a0836 100644
--- a/test/types/api-language.types.ts
+++ b/test/types/api-language.types.ts
@@ -21,4 +21,5 @@ import type * as prismic from "../../src"
 expectType<prismic.Language>({
 	id: "string",
 	name: "string",
+	is_master: true,
 })
diff --git a/test/types/api-repository.types.ts b/test/types/api-repository.types.ts
index 24fd1794..fb064fe7 100644
--- a/test/types/api-repository.types.ts
+++ b/test/types/api-repository.types.ts
@@ -29,7 +29,7 @@ expectType<prismic.Repository>({
 		},
 	],
 	integrationFieldsRef: "string",
-	languages: [{ id: "string", name: "string" }],
+	languages: [{ id: "string", name: "string", is_master: true }],
 	types: { foo: "string" },
 	tags: ["string"],
 	forms: {