diff --git a/README.md b/README.md
index 3e61c2b..349a6db 100644
--- a/README.md
+++ b/README.md
@@ -178,6 +178,9 @@ Configuration is optional. It should be put in a file at `config/coverage.js` (`
   options to `lcov` with a different `projectRoot`: `[['lcov', { projectRoot:
   '/packages/addon' }], 'html']`
 
+- `includes`: Defaults to `['**/*']`. An array of globs to include in
+  instrumentation. Sometimes its more useful to constrain `includes` over using `excludes`.
+
 - `excludes`: Defaults to `['*/mirage/**/*']`. An array of globs to exclude from instrumentation. Useful to exclude files from coverage statistics.
 
 - `extension`: Defaults to `['.gjs', '.gts', '.js', '.ts', '.cjs', '.mjs', '.mts', '.cts']`. Tell Istanbul to instrument only files with the provided extensions.
diff --git a/packages/ember-cli-code-coverage/index.js b/packages/ember-cli-code-coverage/index.js
index e1a6b03..9fe7a97 100644
--- a/packages/ember-cli-code-coverage/index.js
+++ b/packages/ember-cli-code-coverage/index.js
@@ -28,6 +28,7 @@ module.exports = {
    */
   buildBabelPlugin(opts = {}) {
     let cwd = opts.cwd || process.cwd();
+    let include = ['**/*'];
     let exclude = ['*/mirage/**/*', '*/node_modules/**/*'];
     let extension = [
       '.gjs',
@@ -51,6 +52,10 @@ module.exports = {
     if (fs.existsSync(path.join(cwd, configBase, 'coverage.js'))) {
       let config = require(path.join(cwd, configBase, 'coverage.js'));
 
+      if (config.includes) {
+        include = config.includes;
+      }
+
       if (config.excludes) {
         exclude = config.excludes;
       }
@@ -89,7 +94,7 @@ module.exports = {
     return [
       // String lookup is needed to workaround https://github.com/embroider-build/embroider/issues/1525
       path.resolve(__dirname, 'lib/gjs-gts-istanbul-ignore-template-plugin'),
-      [IstanbulPlugin, { cwd, include: '**/*', exclude, extension }],
+      [IstanbulPlugin, { cwd, include, exclude, extension }],
     ];
   },