diff --git a/packages/aws-cdk/CONTRIBUTING.md b/packages/aws-cdk/CONTRIBUTING.md
index 8df338dad6049..3d1190e4a1609 100644
--- a/packages/aws-cdk/CONTRIBUTING.md
+++ b/packages/aws-cdk/CONTRIBUTING.md
@@ -152,7 +152,7 @@ Following are the steps involved in running these tests:
     - Download the previous version tarball from npm and extract the integration tests.
     - Export a `FRAMWORK_VERSION` env variable based on the caller, and execute the integration tests of the previous version.
 
-7. Our integration tests now run and have knowledge of which framework version they should [install](./test/integ/cli/cdk-helpers.ts#L74).
+7. Our integration tests now run and have knowledge of which framework version they should [install](./test/integ/helpers/cdk.ts#L74).
 
 That "basically" it, hope it makes sense...
 
diff --git a/packages/aws-cdk/test/integ/cli/bootstrapping.integtest.ts b/packages/aws-cdk/test/integ/cli/bootstrapping.integtest.ts
index c7d1a7efbe171..c7cbb1fa862a9 100644
--- a/packages/aws-cdk/test/integ/cli/bootstrapping.integtest.ts
+++ b/packages/aws-cdk/test/integ/cli/bootstrapping.integtest.ts
@@ -1,7 +1,7 @@
 import * as fs from 'fs';
 import * as path from 'path';
-import { randomString, withDefaultFixture } from './cdk-helpers';
-import { integTest } from './test-helpers';
+import { randomString, withDefaultFixture } from '../helpers/cdk';
+import { integTest } from '../helpers/test-helpers';
 
 jest.setTimeout(600_000);
 
@@ -242,4 +242,4 @@ integTest('add tags, left alone on re-bootstrap', withDefaultFixture(async (fixt
   expect(response.Stacks?.[0].Tags).toEqual([
     { Key: 'Foo', Value: 'Bar' },
   ]);
-}));
\ No newline at end of file
+}));
diff --git a/packages/aws-cdk/test/integ/cli/cli.integtest.ts b/packages/aws-cdk/test/integ/cli/cli.integtest.ts
index 407c1d7fd99c4..087efd00eb524 100644
--- a/packages/aws-cdk/test/integ/cli/cli.integtest.ts
+++ b/packages/aws-cdk/test/integ/cli/cli.integtest.ts
@@ -1,9 +1,9 @@
 import { promises as fs } from 'fs';
 import * as os from 'os';
 import * as path from 'path';
-import { retry, sleep } from './aws-helpers';
-import { cloneDirectory, shell, withDefaultFixture } from './cdk-helpers';
-import { integTest } from './test-helpers';
+import { retry, sleep } from '../helpers/aws';
+import { cloneDirectory, shell, withDefaultFixture } from '../helpers/cdk';
+import { integTest } from '../helpers/test-helpers';
 
 jest.setTimeout(600 * 1000);
 
diff --git a/packages/aws-cdk/test/integ/cli/test.sh b/packages/aws-cdk/test/integ/cli/test.sh
index 05be97e5312c3..bf0ec0a7c5c68 100755
--- a/packages/aws-cdk/test/integ/cli/test.sh
+++ b/packages/aws-cdk/test/integ/cli/test.sh
@@ -8,16 +8,5 @@ echo '~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~'
 
 cd $scriptdir
 
-# Install these dependencies that the tests (written in Jest) need.
-# Only if we're not running from the repo, because if we are the
-# dependencies have already been installed by the containing 'aws-cdk' package's
-# package.json.
-if ! npx --no-install jest --version; then
-  echo 'Looks like we need to install jest first. Hold on.' >& 2
-  npm install --prefix . jest jest-junit aws-sdk
-fi
-
-# This must --runInBand because parallelism is arranged for inside the tests
-# themselves and they must run in the same process in order to coordinate to
-# make sure no 2 tests use the same region at the same time.
-npx jest --runInBand --verbose "$@"
+source ../common/jest-test.bash
+invokeJest "$@"
diff --git a/packages/aws-cdk/test/integ/common/jest-test.bash b/packages/aws-cdk/test/integ/common/jest-test.bash
new file mode 100755
index 0000000000000..efec199933b1d
--- /dev/null
+++ b/packages/aws-cdk/test/integ/common/jest-test.bash
@@ -0,0 +1,15 @@
+function invokeJest() {
+  # Install these dependencies that the tests (written in Jest) need.
+  # Only if we're not running from the repo, because if we are the
+  # dependencies have already been installed by the containing 'aws-cdk' package's
+  # package.json.
+  if ! npx --no-install jest --version; then
+    echo 'Looks like we need to install jest first. Hold on.' >& 2
+    npm install --prefix . jest jest-junit aws-sdk
+  fi
+
+  # This must --runInBand because parallelism is arranged for inside the tests
+  # themselves and they must run in the same process in order to coordinate to
+  # make sure no 2 tests use the same region at the same time.
+  npx jest --runInBand --verbose "$@"
+}
diff --git a/packages/aws-cdk/test/integ/cli/aws-helpers.ts b/packages/aws-cdk/test/integ/helpers/aws.ts
similarity index 100%
rename from packages/aws-cdk/test/integ/cli/aws-helpers.ts
rename to packages/aws-cdk/test/integ/helpers/aws.ts
diff --git a/packages/aws-cdk/test/integ/cli/cdk-helpers.ts b/packages/aws-cdk/test/integ/helpers/cdk.ts
similarity index 87%
rename from packages/aws-cdk/test/integ/cli/cdk-helpers.ts
rename to packages/aws-cdk/test/integ/helpers/cdk.ts
index f57ce2aee018a..81a656c83e023 100644
--- a/packages/aws-cdk/test/integ/cli/cdk-helpers.ts
+++ b/packages/aws-cdk/test/integ/helpers/cdk.ts
@@ -2,7 +2,7 @@ import * as child_process from 'child_process';
 import * as fs from 'fs';
 import * as os from 'os';
 import * as path from 'path';
-import { outputFromStack, AwsClients } from './aws-helpers';
+import { outputFromStack, AwsClients } from './aws';
 import { ResourcePool } from './resource-pool';
 import { TestContext } from './test-helpers';
 
@@ -52,7 +52,7 @@ export function withCdkApp<A extends TestContext & AwsContext>(block: (context:
     context.output.write(` Test directory: ${integTestDir}\n`);
     context.output.write(` Region:         ${context.aws.region}\n`);
 
-    await cloneDirectory(path.join(__dirname, 'app'), integTestDir, context.output);
+    await cloneDirectory(path.join(__dirname, '..', 'cli', 'app'), integTestDir, context.output);
     const fixture = new TestFixture(
       integTestDir,
       stackNamePrefix,
@@ -92,6 +92,51 @@ export function withCdkApp<A extends TestContext & AwsContext>(block: (context:
   };
 }
 
+export function withMonolithicCfnIncludeCdkApp<A extends TestContext>(block: (context: TestFixture) => Promise<void>) {
+  return async (context: A) => {
+    const uberPackage = process.env.UBERPACKAGE;
+    if (!uberPackage) {
+      throw new Error('The UBERPACKAGE environment variable is required for running this test!');
+    }
+
+    const randy = randomString();
+    const stackNamePrefix = `cdk-uber-cfn-include-${randy}`;
+    const integTestDir = path.join(os.tmpdir(), `cdk-uber-cfn-include-${randy}`);
+
+    context.output.write(` Stack prefix:   ${stackNamePrefix}\n`);
+    context.output.write(` Test directory: ${integTestDir}\n`);
+
+    const awsClients = await AwsClients.default(context.output);
+    await cloneDirectory(path.join(__dirname, '..', 'uberpackage', 'cfn-include-app'), integTestDir, context.output);
+    const fixture = new TestFixture(
+      integTestDir,
+      stackNamePrefix,
+      context.output,
+      awsClients,
+    );
+
+    let success = true;
+    try {
+      let module = uberPackage;
+      if (FRAMEWORK_VERSION) {
+        module = `${module}@${FRAMEWORK_VERSION}`;
+      }
+      await fixture.shell(['npm', 'install', 'constructs', module]);
+
+      await block(fixture);
+    } catch (e) {
+      success = false;
+      throw e;
+    } finally {
+      if (process.env.INTEG_NO_CLEAN) {
+        process.stderr.write(`Left test directory in '${integTestDir}' ($INTEG_NO_CLEAN)\n`);
+      } else {
+        await fixture.dispose(success);
+      }
+    }
+  };
+}
+
 /**
  * Default test fixture for most (all?) integ tests
  *
@@ -370,10 +415,11 @@ export async function shell(command: string[], options: ShellOptions = {}): Prom
     child.once('error', reject);
 
     child.once('close', code => {
+      const output = (Buffer.concat(stdout).toString('utf-8') + Buffer.concat(stderr).toString('utf-8')).trim();
       if (code === 0 || options.allowErrExit) {
-        resolve((Buffer.concat(stdout).toString('utf-8') + Buffer.concat(stderr).toString('utf-8')).trim());
+        resolve(output);
       } else {
-        reject(new Error(`'${command.join(' ')}' exited with error code ${code}`));
+        reject(new Error(`'${command.join(' ')}' exited with error code ${code}. Output: \n${output}`));
       }
     });
   });
diff --git a/packages/aws-cdk/test/integ/cli/corking.ts b/packages/aws-cdk/test/integ/helpers/corking.ts
similarity index 100%
rename from packages/aws-cdk/test/integ/cli/corking.ts
rename to packages/aws-cdk/test/integ/helpers/corking.ts
diff --git a/packages/aws-cdk/test/integ/cli/resource-pool.test.ts b/packages/aws-cdk/test/integ/helpers/resource-pool.test.ts
similarity index 100%
rename from packages/aws-cdk/test/integ/cli/resource-pool.test.ts
rename to packages/aws-cdk/test/integ/helpers/resource-pool.test.ts
diff --git a/packages/aws-cdk/test/integ/cli/resource-pool.ts b/packages/aws-cdk/test/integ/helpers/resource-pool.ts
similarity index 100%
rename from packages/aws-cdk/test/integ/cli/resource-pool.ts
rename to packages/aws-cdk/test/integ/helpers/resource-pool.ts
diff --git a/packages/aws-cdk/test/integ/cli/skip-tests.txt b/packages/aws-cdk/test/integ/helpers/skip-tests.txt
similarity index 100%
rename from packages/aws-cdk/test/integ/cli/skip-tests.txt
rename to packages/aws-cdk/test/integ/helpers/skip-tests.txt
diff --git a/packages/aws-cdk/test/integ/cli/test-helpers.ts b/packages/aws-cdk/test/integ/helpers/test-helpers.ts
similarity index 100%
rename from packages/aws-cdk/test/integ/cli/test-helpers.ts
rename to packages/aws-cdk/test/integ/helpers/test-helpers.ts
diff --git a/packages/aws-cdk/test/integ/run-against-dist.bash b/packages/aws-cdk/test/integ/run-against-dist.bash
index 83c29e82a5620..d3d349b9302f3 100644
--- a/packages/aws-cdk/test/integ/run-against-dist.bash
+++ b/packages/aws-cdk/test/integ/run-against-dist.bash
@@ -4,6 +4,8 @@ npmws=/tmp/cdk-rundist
 rm -rf $npmws
 mkdir -p $npmws
 
+set -x
+
 # This script must create 1 or 2 traps, and the 'trap' command will replace
 # the previous trap, so get some 'dynamic traps' mechanism in place
 TRAPS=()
@@ -137,4 +139,4 @@ function prepare_python_packages() {
 
 function pip() {
   pip_ "$@"
-}
\ No newline at end of file
+}
diff --git a/packages/aws-cdk/test/integ/uberpackage/cfn-include-app/.gitignore b/packages/aws-cdk/test/integ/uberpackage/cfn-include-app/.gitignore
new file mode 100644
index 0000000000000..71d72642a58e3
--- /dev/null
+++ b/packages/aws-cdk/test/integ/uberpackage/cfn-include-app/.gitignore
@@ -0,0 +1 @@
+!cfn-include-app.js
diff --git a/packages/aws-cdk/test/integ/uberpackage/cfn-include-app/cdk.json b/packages/aws-cdk/test/integ/uberpackage/cfn-include-app/cdk.json
new file mode 100644
index 0000000000000..e5077eaaefe36
--- /dev/null
+++ b/packages/aws-cdk/test/integ/uberpackage/cfn-include-app/cdk.json
@@ -0,0 +1,4 @@
+{
+  "app": "node cfn-include-app.js",
+  "versionReporting": false
+}
diff --git a/packages/aws-cdk/test/integ/uberpackage/cfn-include-app/cfn-include-app.js b/packages/aws-cdk/test/integ/uberpackage/cfn-include-app/cfn-include-app.js
new file mode 100644
index 0000000000000..6c5ddc776bb59
--- /dev/null
+++ b/packages/aws-cdk/test/integ/uberpackage/cfn-include-app/cfn-include-app.js
@@ -0,0 +1,21 @@
+const path = require('path');
+
+const uberPackage = process.env.UBERPACKAGE;
+if (!uberPackage) {
+  throw new Error('The UBERPACKAGE environment variable is required for running this app!');
+}
+
+const cfn_inc = require(`${uberPackage}/cloudformation-include`);
+const core = require(`${uberPackage}`);
+
+const app = new core.App();
+const stack = new core.Stack(app, 'Stack');
+const cfnInclude = new cfn_inc.CfnInclude(stack, 'Template', {
+  templateFile: path.join(__dirname, 'example-template.json'),
+});
+const cfnBucket = cfnInclude.getResource('Bucket');
+if (cfnBucket.bucketName !== 'my-example-bucket') {
+  throw new Error(`Expected bucketName to be 'my-example-bucket', got: '${cfnBucket.bucketName}'`);
+}
+
+app.synth();
diff --git a/packages/aws-cdk/test/integ/uberpackage/cfn-include-app/example-template.json b/packages/aws-cdk/test/integ/uberpackage/cfn-include-app/example-template.json
new file mode 100644
index 0000000000000..0385b58961413
--- /dev/null
+++ b/packages/aws-cdk/test/integ/uberpackage/cfn-include-app/example-template.json
@@ -0,0 +1,10 @@
+{
+  "Resources": {
+    "Bucket": {
+      "Type": "AWS::S3::Bucket",
+      "Properties": {
+        "BucketName": "my-example-bucket"
+      }
+    }
+  }
+}
diff --git a/packages/aws-cdk/test/integ/uberpackage/jest.config.js b/packages/aws-cdk/test/integ/uberpackage/jest.config.js
new file mode 100644
index 0000000000000..1e3fe3d13f96b
--- /dev/null
+++ b/packages/aws-cdk/test/integ/uberpackage/jest.config.js
@@ -0,0 +1,15 @@
+module.exports = {
+    moduleFileExtensions: [
+        "js",
+    ],
+    testMatch: [
+        "**/*.integtest.js",
+    ],
+    testEnvironment: "node",
+    bail: 1,
+    verbose: true,
+    reporters: [
+        "default",
+          [ "jest-junit", { suiteName: "jest tests", outputDirectory: "coverage" } ]
+    ]
+};
diff --git a/packages/aws-cdk/test/integ/uberpackage/test.sh b/packages/aws-cdk/test/integ/uberpackage/test.sh
new file mode 100755
index 0000000000000..41761b349580e
--- /dev/null
+++ b/packages/aws-cdk/test/integ/uberpackage/test.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+set -euo pipefail
+
+scriptdir=$(cd $(dirname $0) && pwd)
+
+echo '~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~'
+echo 'UberCDK Integration Tests'
+echo '~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~'
+
+cd $scriptdir
+
+source ../common/jest-test.bash
+invokeJest "$@"
diff --git a/packages/aws-cdk/test/integ/uberpackage/uberpackage.integtest.ts b/packages/aws-cdk/test/integ/uberpackage/uberpackage.integtest.ts
new file mode 100644
index 0000000000000..6521e4c8113a0
--- /dev/null
+++ b/packages/aws-cdk/test/integ/uberpackage/uberpackage.integtest.ts
@@ -0,0 +1,12 @@
+import { withMonolithicCfnIncludeCdkApp } from '../helpers/cdk';
+import { integTest } from '../helpers/test-helpers';
+
+jest.setTimeout(600_000);
+
+describe('uberpackage', () => {
+  integTest('works with cloudformation-include', withMonolithicCfnIncludeCdkApp(async (fixture) => {
+    fixture.log('Starting test of cfn-include with monolithic CDK');
+
+    await fixture.cdkSynth();
+  }));
+});
diff --git a/packages/aws-cdk/test/util/stack-monitor.test.ts b/packages/aws-cdk/test/util/stack-monitor.test.ts
index 289b14d5d7b41..7e2644b481b9f 100644
--- a/packages/aws-cdk/test/util/stack-monitor.test.ts
+++ b/packages/aws-cdk/test/util/stack-monitor.test.ts
@@ -1,5 +1,5 @@
 import { StackActivityMonitor, IActivityPrinter, StackActivity } from '../../lib/api/util/cloudformation/stack-activity-monitor';
-import { sleep } from '../integ/cli/aws-helpers';
+import { sleep } from '../integ/helpers/aws';
 import { MockSdk } from './mock-sdk';
 
 let sdk: MockSdk;
@@ -167,4 +167,4 @@ async function waitForCondition(cb: () => boolean): Promise<void> {
   while (!cb()) {
     await sleep(10);
   }
-}
\ No newline at end of file
+}
diff --git a/tools/ubergen/bin/ubergen.ts b/tools/ubergen/bin/ubergen.ts
index a85a64ce7f2b9..5169dfcf814de 100644
--- a/tools/ubergen/bin/ubergen.ts
+++ b/tools/ubergen/bin/ubergen.ts
@@ -209,7 +209,7 @@ async function prepareSourceFiles(libraries: readonly LibraryReference[], packag
   const indexStatements = new Array<string>();
   for (const library of libraries) {
     const libDir = path.join(LIB_ROOT, library.shortName);
-    await transformPackage(library, packageJson.jsii.targets, libDir, libraries);
+    await transformPackage(library, packageJson, libDir, libraries);
 
     if (library.shortName === 'core') {
       indexStatements.push(`export * from './${library.shortName}';`);
@@ -225,13 +225,13 @@ async function prepareSourceFiles(libraries: readonly LibraryReference[], packag
 
 async function transformPackage(
   library: LibraryReference,
-  config: PackageJson['jsii']['targets'],
+  uberPackageJson: PackageJson,
   destination: string,
   allLibraries: readonly LibraryReference[],
 ) {
   await fs.mkdirp(destination);
 
-  await copyOrTransformFiles(library.root, destination, allLibraries);
+  await copyOrTransformFiles(library.root, destination, allLibraries, uberPackageJson);
 
   await fs.writeFile(
     path.join(destination, 'index.ts'),
@@ -240,6 +240,7 @@ async function transformPackage(
   );
 
   if (library.shortName !== 'core') {
+    const config = uberPackageJson.jsii.targets;
     await fs.writeJson(
       path.join(destination, '.jsiirc.json'),
       {
@@ -291,7 +292,7 @@ function transformTargets(monoConfig: PackageJson['jsii']['targets'], targets: P
   return result;
 }
 
-async function copyOrTransformFiles(from: string, to: string, libraries: readonly LibraryReference[]) {
+async function copyOrTransformFiles(from: string, to: string, libraries: readonly LibraryReference[], uberPackageJson: PackageJson) {
   const promises = (await fs.readdir(from)).map(async name => {
     if (shouldIgnoreFile(name)) { return; }
 
@@ -308,7 +309,7 @@ async function copyOrTransformFiles(from: string, to: string, libraries: readonl
     const stat = await fs.stat(source);
     if (stat.isDirectory()) {
       await fs.mkdirp(destination);
-      return copyOrTransformFiles(source, destination, libraries);
+      return copyOrTransformFiles(source, destination, libraries, uberPackageJson);
     }
     if (name.endsWith('.ts')) {
       return fs.writeFile(
@@ -316,6 +317,17 @@ async function copyOrTransformFiles(from: string, to: string, libraries: readonl
         await rewriteImports(source, to, libraries),
         { encoding: 'utf8' },
       );
+    } else if (name === 'cfn-types-2-classes.json') {
+      // This is a special file used by the cloudformation-include module that contains mappings
+      // of CFN resource types to the fully-qualified class names of the CDK L1 classes.
+      // We need to rewrite it to refer to the uberpackage instead of the individual packages
+      const cfnTypes2Classes: { [key: string]: string } = await fs.readJson(source);
+      for (const cfnType of Object.keys(cfnTypes2Classes)) {
+        const fqn = cfnTypes2Classes[cfnType];
+        // replace @aws-cdk/aws-<service> with <uber-package-name>/aws-<service>
+        cfnTypes2Classes[cfnType] = fqn.replace('@aws-cdk', uberPackageJson.name);
+      }
+      await fs.writeJson(destination, cfnTypes2Classes, { spaces: 2 });
     } else {
       return fs.copyFile(source, destination);
     }