diff --git a/src/Expectation.php b/src/Expectation.php
index ce108428..55fa626e 100644
--- a/src/Expectation.php
+++ b/src/Expectation.php
@@ -447,6 +447,19 @@ final class Expectation
         );
     }
 
+    /**
+     * Asserts that the given expectation target to have line count less than the given number.
+     */
+    public function toHaveLineCountLessThan(int $lines): ArchExpectation
+    {
+        return Targeted::make(
+            $this,
+            fn (ObjectDescription $object): bool => count(file($object->path)) < $lines,
+            sprintf('to have less than %d lines of code', $lines),
+            FileLineFinder::where(fn (string $line): bool => str_contains($line, '<?php')),
+        );
+    }
+
     /**
      * Asserts that the given expectation target use the "declare(strict_types=1)" declaration.
      */
diff --git a/src/Expectations/OppositeExpectation.php b/src/Expectations/OppositeExpectation.php
index 6fb3a0d4..4a523bff 100644
--- a/src/Expectations/OppositeExpectation.php
+++ b/src/Expectations/OppositeExpectation.php
@@ -88,6 +88,14 @@ final class OppositeExpectation
         );
     }
 
+    /**
+     * Not supported.
+     */
+    public function toHaveLineCountLessThan(): ArchExpectation
+    {
+        throw InvalidExpectation::fromMethods(['not', 'toHaveLineCountLessThan']);
+    }
+
     /**
      * Asserts that the given expectation target does not use the "declare(strict_types=1)" declaration.
      */
diff --git a/tests/.snapshots/success.txt b/tests/.snapshots/success.txt
index 431a48df..fa9dd55b 100644
--- a/tests/.snapshots/success.txt
+++ b/tests/.snapshots/success.txt
@@ -797,6 +797,10 @@
   ✓ it fails
   ✓ it fails with message
 
+   PASS  Tests\Features\Expect\toHaveLineCountLessThan
+  ✓ it passes
+  ✓ it fails
+
    PASS  Tests\Features\Expect\toHaveMethod
   ✓ class has method
   ✓ opposite class has method
@@ -1521,4 +1525,4 @@
    WARN  Tests\Visual\Version
   - visual snapshot of help command output
 
-  Tests:    2 deprecated, 4 warnings, 5 incomplete, 2 notices, 13 todos, 24 skipped, 1066 passed (2611 assertions)
\ No newline at end of file
+  Tests:    2 deprecated, 4 warnings, 5 incomplete, 2 notices, 13 todos, 24 skipped, 1068 passed (2614 assertions)
\ No newline at end of file
diff --git a/tests/Features/Expect/toHaveLineCountLessThan.php b/tests/Features/Expect/toHaveLineCountLessThan.php
new file mode 100644
index 00000000..a7a53c74
--- /dev/null
+++ b/tests/Features/Expect/toHaveLineCountLessThan.php
@@ -0,0 +1,12 @@
+<?php
+
+use Pest\Arch\Exceptions\ArchExpectationFailedException;
+use Pest\Expectation;
+
+it('passes', function () {
+    expect(Expectation::class)->toHaveLineCountLessThan(1000);
+});
+
+it('fails', function () {
+    expect(Expectation::class)->toHaveLineCountLessThan(10);
+})->throws(ArchExpectationFailedException::class);
diff --git a/tests/Visual/Parallel.php b/tests/Visual/Parallel.php
index f29178c0..222eba3c 100644
--- a/tests/Visual/Parallel.php
+++ b/tests/Visual/Parallel.php
@@ -16,7 +16,7 @@ $run = function () {
 
 test('parallel', function () use ($run) {
     expect($run('--exclude-group=integration'))
-        ->toContain('Tests:    2 deprecated, 4 warnings, 5 incomplete, 2 notices, 13 todos, 19 skipped, 1052 passed (2579 assertions)')
+        ->toContain('Tests:    2 deprecated, 4 warnings, 5 incomplete, 2 notices, 13 todos, 19 skipped, 1054 passed (2582 assertions)')
         ->toContain('Parallel: 3 processes');
 })->skipOnWindows();