diff --git a/.c8rc.json b/.c8rc.json
index 44a553c..4192470 100644
--- a/.c8rc.json
+++ b/.c8rc.json
@@ -5,11 +5,11 @@
     "functions": 100,
     "branches": 100,
     "check-coverage": true,
-    "extension": [".js", ".mjs"],
+    "extension": [".js"],
     "instrument": false,
     "src": ".",
     "reporter": ["lcov", "text-summary"],
     "reportDir": "./target/coverage",
     "tempDirectory": "./target/c8-temporary-output",
-    "exclude": ["target", "test", "benchmarks/", "eslint.config.mjs"]
+    "exclude": ["target", "test", "benchmarks/", "eslint.config.js"]
 }
diff --git a/benchmarks/runtime.bench.js b/benchmarks/runtime.bench.js
index 17846c7..5be4c83 100644
--- a/benchmarks/runtime.bench.js
+++ b/benchmarks/runtime.bench.js
@@ -87,7 +87,11 @@ describe('runtime', function () {
             lintManyFilesWithAllRecommendedRules({ numberOfFiles: 350 });
         }, iterations);
 
-        assert.strictEqual(medianDuration < budget, true);
+        assert.strictEqual(
+            medianDuration < budget,
+            true,
+            `Expected duration ${medianDuration} to be lower than budget ${budget}`
+        );
     });
 
     it('should not consume more memory as the defined budget to lint many files with the recommended config', function () {
@@ -97,6 +101,10 @@ describe('runtime', function () {
             lintManyFilesWithAllRecommendedRules({ numberOfFiles: 350 });
         }, iterations);
 
-        assert.strictEqual(medianMemory < budget, true);
+        assert.strictEqual(
+            medianMemory < budget,
+            true,
+            `Expected memory ${medianMemory} to be lower than budget ${budget}`
+        );
     });
 });
diff --git a/benchmarks/startup.bench.js b/benchmarks/startup.bench.js
index 822c2ae..66a3bd8 100644
--- a/benchmarks/startup.bench.js
+++ b/benchmarks/startup.bench.js
@@ -12,16 +12,24 @@ describe('startup / require time', function () {
             await importFresh('../index.js');
         }, iterations);
 
-        assert.strictEqual(medianDuration < budget, true);
+        assert.strictEqual(
+            medianDuration < budget,
+            true,
+            `Expected duration ${medianDuration} to be lower than budget ${budget}`
+        );
     });
 
     it('should not consume more memory as the defined budget', async function () {
-        const budget = 50_000;
+        const budget = 75_000;
 
         const { medianMemory } = await runAsyncBenchmark(async () => {
             await importFresh('../index.js');
         }, iterations);
 
-        assert.strictEqual(medianMemory < budget, true);
+        assert.strictEqual(
+            medianMemory < budget,
+            true,
+            `Expected memory ${medianMemory} to be lower than budget ${budget}`
+        );
     });
 });
diff --git a/package.json b/package.json
index c6ea17c..75071e3 100644
--- a/package.json
+++ b/package.json
@@ -7,6 +7,7 @@
         "node": ">=20.0.0"
     },
     "main": "index.js",
+    "exports": "./index.js",
     "files": [
         "index.js",
         "lib/",