diff --git a/eslint.config.mjs b/eslint.config.mjs
index 65bf540c5f..e143d5cd11 100644
--- a/eslint.config.mjs
+++ b/eslint.config.mjs
@@ -764,7 +764,7 @@ export default tsConfig(
       'n/no-missing-import': [
         'error',
         {
-          allowModules: ['graphql', 'graphql-esm'],
+          allowModules: ['graphql'],
         },
       ],
       'n/no-missing-require': [
diff --git a/integrationTests/node/index.cjs b/integrationTests/node/index.js
similarity index 78%
rename from integrationTests/node/index.cjs
rename to integrationTests/node/index.js
index 8a7c1f5003..7c1262f798 100644
--- a/integrationTests/node/index.cjs
+++ b/integrationTests/node/index.js
@@ -1,15 +1,9 @@
-'use strict';
-
-const assert = require('node:assert');
-const { readFileSync } = require('node:fs');
-
-const {
-  experimentalExecuteIncrementally,
-  graphqlSync,
-  parse,
-} = require('graphql');
-const { buildSchema } = require('graphql/utilities');
-const { version } = require('graphql/version');
+import assert from 'node:assert';
+import { readFileSync } from 'node:fs';
+
+import { experimentalExecuteIncrementally, graphqlSync, parse } from 'graphql';
+import { buildSchema } from 'graphql/utilities';
+import { version } from 'graphql/version';
 
 assert.deepStrictEqual(
   version,
diff --git a/integrationTests/node/index.mjs b/integrationTests/node/index.mjs
deleted file mode 100644
index e06bd19de6..0000000000
--- a/integrationTests/node/index.mjs
+++ /dev/null
@@ -1,54 +0,0 @@
-import assert from 'node:assert';
-import { readFileSync } from 'node:fs';
-
-import {
-  experimentalExecuteIncrementally,
-  graphqlSync,
-  parse,
-} from 'graphql-esm';
-import { buildSchema } from 'graphql-esm/utilities';
-import { version } from 'graphql-esm/version';
-
-assert.deepStrictEqual(
-  version + '+esm',
-  JSON.parse(readFileSync('./node_modules/graphql-esm/package.json')).version,
-);
-
-const schema = buildSchema('type Query { hello: String }');
-
-let result = graphqlSync({
-  schema,
-  source: '{ hello }',
-  rootValue: { hello: 'world' },
-});
-
-assert.deepStrictEqual(result, {
-  data: {
-    __proto__: null,
-    hello: 'world',
-  },
-});
-
-/**
- * The below test triggers a call `invariant` method during execution (by
- * passing a negative number to the `initialCount` parameter on the `@stream`
- * directive). This ensures that the `inlineInvariant` method called by our
- * build script works correctly.
- **/
-
-const experimentalSchema = buildSchema(`
-  directive @stream(initialCount: Int!) on FIELD
-
-  type Query {
-    greetings: [String]
-  }
-`);
-
-result = experimentalExecuteIncrementally({
-  schema: experimentalSchema,
-  document: parse('{ greetings @stream(initialCount: -1) }'),
-  rootValue: { greetings: ['hi', 'hello'] },
-});
-
-assert(result.errors?.[0] !== undefined);
-assert(!result.errors[0].message.includes('is not defined'));
diff --git a/integrationTests/node/package.json b/integrationTests/node/package.json
index 8271998588..2d2665ed9a 100644
--- a/integrationTests/node/package.json
+++ b/integrationTests/node/package.json
@@ -6,7 +6,6 @@
     "test": "node test.js"
   },
   "dependencies": {
-    "graphql": "file:../graphql.tgz",
-    "graphql-esm": "file:../graphql-esm.tgz"
+    "graphql": "file:../graphql.tgz"
   }
 }
diff --git a/integrationTests/node/test.js b/integrationTests/node/test.js
index d7f77e51bf..0e6c35900d 100644
--- a/integrationTests/node/test.js
+++ b/integrationTests/node/test.js
@@ -15,12 +15,7 @@ for (const version of nodeVersions) {
   console.log(`Testing on node@${version} ...`);
 
   childProcess.execSync(
-    `docker run --rm --volume "$PWD":/usr/src/app -w /usr/src/app node:${version}-slim node ./index.cjs`,
-    { stdio: 'inherit' },
-  );
-
-  childProcess.execSync(
-    `docker run --rm --volume "$PWD":/usr/src/app -w /usr/src/app node:${version}-slim node ./index.mjs`,
+    `docker run --rm --volume "$PWD":/usr/src/app -w /usr/src/app node:${version}-slim node ./index.js`,
     { stdio: 'inherit' },
   );
 }
diff --git a/integrationTests/ts/esm.ts b/integrationTests/ts/esm.ts
deleted file mode 100644
index 77d011e847..0000000000
--- a/integrationTests/ts/esm.ts
+++ /dev/null
@@ -1,38 +0,0 @@
-import type { ExecutionResult } from 'graphql-esm/execution';
-
-import { graphqlSync } from 'graphql-esm';
-import {
-  GraphQLString,
-  GraphQLSchema,
-  GraphQLObjectType,
-} from 'graphql-esm/type';
-
-const queryType: GraphQLObjectType = new GraphQLObjectType({
-  name: 'Query',
-  fields: () => ({
-    sayHi: {
-      type: GraphQLString,
-      args: {
-        who: {
-          type: GraphQLString,
-          default: { value: 'World' },
-        },
-      },
-      resolve(_root, args: { who: string }) {
-        return 'Hello ' + args.who;
-      },
-    },
-  }),
-});
-
-const schema: GraphQLSchema = new GraphQLSchema({ query: queryType });
-
-const result: ExecutionResult = graphqlSync({
-  schema,
-  source: `
-    query helloWho($who: String){
-      test(who: $who)
-    }
-  `,
-  variableValues: { who: 'Dolly' },
-});
diff --git a/integrationTests/ts/package.json b/integrationTests/ts/package.json
index 6e5bfb367d..b3a3586b8a 100644
--- a/integrationTests/ts/package.json
+++ b/integrationTests/ts/package.json
@@ -7,7 +7,6 @@
   },
   "dependencies": {
     "graphql": "file:../graphql.tgz",
-    "graphql-esm": "file:../graphql-esm.tgz",
     "typescript-4.9": "npm:typescript@4.9.x",
     "typescript-5.0": "npm:typescript@5.0.x",
     "typescript-5.1": "npm:typescript@5.1.x",
diff --git a/integrationTests/webpack/entry-esm.mjs b/integrationTests/webpack/entry-esm.mjs
deleted file mode 100644
index 5a04dc1ada..0000000000
--- a/integrationTests/webpack/entry-esm.mjs
+++ /dev/null
@@ -1,10 +0,0 @@
-import { graphqlSync } from 'graphql-esm';
-import { buildSchema } from 'graphql-esm/utilities/buildASTSchema';
-
-const schema = buildSchema('type Query { hello: String }');
-
-export const result = graphqlSync({
-  schema,
-  source: '{ hello }',
-  rootValue: { hello: 'world' },
-});
diff --git a/integrationTests/webpack/package.json b/integrationTests/webpack/package.json
index 66dd836f1e..74a2502ff7 100644
--- a/integrationTests/webpack/package.json
+++ b/integrationTests/webpack/package.json
@@ -7,7 +7,6 @@
   },
   "dependencies": {
     "graphql": "file:../graphql.tgz",
-    "graphql-esm": "file:../graphql-esm.tgz",
     "webpack": "5.x.x",
     "webpack-cli": "4.x.x"
   }
diff --git a/integrationTests/webpack/test.js b/integrationTests/webpack/test.js
index db6ba9db84..7ee717c553 100644
--- a/integrationTests/webpack/test.js
+++ b/integrationTests/webpack/test.js
@@ -1,18 +1,10 @@
 import assert from 'node:assert';
 
 /* eslint-disable n/no-missing-import */
-import cjs from './dist/main-cjs.cjs';
-import mjs from './dist/main-mjs.cjs';
+import { result } from './dist/main-js.js';
 /* eslint-enable n/no-missing-import */
 
-assert.deepStrictEqual(cjs.result, {
-  data: {
-    __proto__: null,
-    hello: 'world',
-  },
-});
-
-assert.deepStrictEqual(mjs.result, {
+assert.deepStrictEqual(result, {
   data: {
     __proto__: null,
     hello: 'world',
diff --git a/integrationTests/webpack/webpack.config.json b/integrationTests/webpack/webpack.config.json
index 8381df4cee..e931a59df2 100644
--- a/integrationTests/webpack/webpack.config.json
+++ b/integrationTests/webpack/webpack.config.json
@@ -1,13 +1,15 @@
 {
+  "experiments": {
+    "outputModule": true
+  },
   "mode": "production",
   "entry": {
-    "cjs": "./entry.js",
-    "mjs": "./entry-esm.mjs"
+    "js": "./entry.js"
   },
   "output": {
-    "filename": "main-[name].cjs",
+    "filename": "main-[name].js",
     "library": {
-      "type": "commonjs2"
+      "type": "module"
     }
   }
 }
diff --git a/package-lock.json b/package-lock.json
index dd8bd3d485..7c094961c0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -30,7 +30,7 @@
         "typescript-eslint": "^8.17.0"
       },
       "engines": {
-        "node": "^16.19.0 || ^18.14.0 || >=19.7.0"
+        "node": ">=19.7.0 || >=20.0.0 || >=22.0.0"
       }
     },
     "node_modules/@bcoe/v8-coverage": {
diff --git a/package.json b/package.json
index ee3e9d26d4..0d569e4f1d 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "graphql-js"
   ],
   "engines": {
-    "node": "^16.19.0 || ^18.14.0 || >=19.7.0"
+    "node": ">=19.7.0 || >=20.0.0 || >=22.0.0"
   },
   "scripts": {
     "preversion": "bash -c '. ./resources/checkgit.sh && npm ci --ignore-scripts'",
diff --git a/resources/build-npm.ts b/resources/build-npm.ts
index c29747efb8..b7272f449c 100644
--- a/resources/build-npm.ts
+++ b/resources/build-npm.ts
@@ -15,14 +15,10 @@ import {
 } from './utils.js';
 
 console.log('\n./npmDist');
-await buildPackage('./npmDist', false);
+await buildPackage('./npmDist');
 showDirStats('./npmDist');
 
-console.log('\n./npmEsmDist');
-await buildPackage('./npmEsmDist', true);
-showDirStats('./npmEsmDist');
-
-async function buildPackage(outDir: string, isESMOnly: boolean): Promise<void> {
+async function buildPackage(outDir: string): Promise<void> {
   fs.rmSync(outDir, { recursive: true, force: true });
   fs.mkdirSync(outDir);
 
@@ -82,36 +78,25 @@ async function buildPackage(outDir: string, isESMOnly: boolean): Promise<void> {
     );
   }
 
-  if (isESMOnly) {
-    packageJSON.exports = {};
+  packageJSON.exports = {};
 
-    const { emittedTSFiles } = emitTSFiles({
-      outDir,
-      module: 'es2020',
-      extension: '.js',
-    });
+  const { emittedTSFiles } = emitTSFiles({
+    outDir,
+    module: 'es2020',
+    extension: '.js',
+  });
 
-    for (const filepath of emittedTSFiles) {
-      if (path.basename(filepath) === 'index.js') {
-        const relativePath = './' + path.relative('./npmEsmDist', filepath);
-        packageJSON.exports[path.dirname(relativePath)] = relativePath;
-      }
+  for (const filepath of emittedTSFiles) {
+    if (path.basename(filepath) === 'index.js') {
+      const relativePath = './' + path.relative('./npmDist', filepath);
+      packageJSON.exports[path.dirname(relativePath)] = relativePath;
     }
-
-    // Temporary workaround to allow "internal" imports, no grantees provided
-    packageJSON.exports['./*.js'] = './*.js';
-    packageJSON.exports['./*'] = './*.js';
-
-    packageJSON.publishConfig.tag += '-esm';
-    packageJSON.version += '+esm';
-  } else {
-    delete packageJSON.type;
-    packageJSON.main = 'index';
-    packageJSON.module = 'index.mjs';
-    emitTSFiles({ outDir, module: 'commonjs', extension: '.js' });
-    emitTSFiles({ outDir, module: 'es2020', extension: '.mjs' });
   }
 
+  // Temporary workaround to allow "internal" imports, no grantees provided
+  packageJSON.exports['./*.js'] = './*.js';
+  packageJSON.exports['./*'] = './*.js';
+
   const packageJsonPath = `./${outDir}/package.json`;
   const prettified = await prettify(
     packageJsonPath,
diff --git a/resources/integration-test.ts b/resources/integration-test.ts
index 47afc844d6..471af0952c 100644
--- a/resources/integration-test.ts
+++ b/resources/integration-test.ts
@@ -16,12 +16,6 @@ describe('Integration Tests', () => {
   const archiveName = npm({ cwd: tmpDirPath(), quiet: true }).pack(distDir);
   fs.renameSync(tmpDirPath(archiveName), tmpDirPath('graphql.tgz'));
 
-  const esmDistDir = localRepoPath('npmEsmDist');
-  const archiveEsmName = npm({ cwd: tmpDirPath(), quiet: true }).pack(
-    esmDistDir,
-  );
-  fs.renameSync(tmpDirPath(archiveEsmName), tmpDirPath('graphql-esm.tgz'));
-
   npm().run('build:deno');
 
   function testOnNodeProject(projectName: string) {