diff --git a/.changeset/thin-beds-battle.md b/.changeset/thin-beds-battle.md
new file mode 100644
index 000000000..d4a99e592
--- /dev/null
+++ b/.changeset/thin-beds-battle.md
@@ -0,0 +1,5 @@
+---
+'@gitbook/icons': minor
+---
+
+Fix the build to support Node.js v20
diff --git a/bun.lock b/bun.lock
index 93ecae3bd..d1a8df7aa 100644
--- a/bun.lock
+++ b/bun.lock
@@ -198,7 +198,6 @@
       "dependencies": {
         "@gitbook/api": "0.96.1",
         "@gitbook/icons": "workspace:*",
-        "assert-never": "^1.2.1",
         "classnames": "^2.5.1",
       },
       "devDependencies": {
diff --git a/packages/icons/package.json b/packages/icons/package.json
index 73e4f9f10..81da3d92b 100644
--- a/packages/icons/package.json
+++ b/packages/icons/package.json
@@ -41,5 +41,8 @@
     "bin": {
         "gitbook-icons": "./bin/gitbook-icons.js"
     },
-    "files": ["dist", "src", "bin", "data", "README.md", "CHANGELOG.md"]
+    "files": ["dist", "src", "bin", "data", "README.md", "CHANGELOG.md"],
+    "engines": {
+        "node": ">=20.0.0"
+    }
 }
diff --git a/packages/icons/src/getIconStyle.ts b/packages/icons/src/getIconStyle.ts
index 55b1a5a1e..3baceb30c 100644
--- a/packages/icons/src/getIconStyle.ts
+++ b/packages/icons/src/getIconStyle.ts
@@ -1,4 +1,4 @@
-import stylesMap from './data/styles-map.json';
+import stylesMap from './data/styles-map.json' with { type: 'json' };
 import type { IconName, IconStyle } from './types';
 
 const cache = new Map<IconName, Map<IconStyle, [string, IconName]>>();
diff --git a/packages/icons/src/icons.ts b/packages/icons/src/icons.ts
index 5c9deb9c9..25dd06c0c 100644
--- a/packages/icons/src/icons.ts
+++ b/packages/icons/src/icons.ts
@@ -1,4 +1,4 @@
-import rawIcons from './data/icons.json';
+import rawIcons from './data/icons.json' with { type: 'json' };
 import type { IconName, IconStyle } from './types';
 
 export interface IconStyleDefinition {
diff --git a/packages/icons/tsconfig.json b/packages/icons/tsconfig.json
index 92db2d902..7c6e25597 100644
--- a/packages/icons/tsconfig.json
+++ b/packages/icons/tsconfig.json
@@ -1,16 +1,16 @@
 {
     "compilerOptions": {
-        "target": "esnext",
-        "lib": ["dom", "dom.iterable", "esnext"],
-        "allowJs": true,
-        "skipLibCheck": true,
+        "lib": ["es2023"],
+        "module": "ESNext",
+        "target": "es2022",
         "strict": true,
+        "esModuleInterop": true,
+        "skipLibCheck": true,
+        "moduleResolution": "bundler",
+        "allowJs": true,
         "noEmit": false,
         "declaration": true,
         "outDir": "dist",
-        "esModuleInterop": true,
-        "module": "esnext",
-        "moduleResolution": "bundler",
         "resolveJsonModule": true,
         "isolatedModules": true,
         "jsx": "react-jsx",
diff --git a/packages/react-contentkit/package.json b/packages/react-contentkit/package.json
index ec8f48283..894b00ef3 100644
--- a/packages/react-contentkit/package.json
+++ b/packages/react-contentkit/package.json
@@ -11,7 +11,6 @@
     "dependencies": {
         "classnames": "^2.5.1",
         "@gitbook/api": "0.96.1",
-        "assert-never": "^1.2.1",
         "@gitbook/icons": "workspace:*"
     },
     "peerDependencies": {