diff --git a/src/Mixins/Expectation.php b/src/Mixins/Expectation.php
index 6d723876..71117657 100644
--- a/src/Mixins/Expectation.php
+++ b/src/Mixins/Expectation.php
@@ -131,7 +131,7 @@ final class Expectation
      *
      * @return self<TValue>
      */
-    public function toBeGreaterThan(int|float|DateTimeInterface $expected, string $message = ''): self
+    public function toBeGreaterThan(int|float|string|DateTimeInterface $expected, string $message = ''): self
     {
         Assert::assertGreaterThan($expected, $this->value, $message);
 
@@ -143,7 +143,7 @@ final class Expectation
      *
      * @return self<TValue>
      */
-    public function toBeGreaterThanOrEqual(int|float|DateTimeInterface $expected, string $message = ''): self
+    public function toBeGreaterThanOrEqual(int|float|string|DateTimeInterface $expected, string $message = ''): self
     {
         Assert::assertGreaterThanOrEqual($expected, $this->value, $message);
 
@@ -155,7 +155,7 @@ final class Expectation
      *
      * @return self<TValue>
      */
-    public function toBeLessThan(int|float|DateTimeInterface $expected, string $message = ''): self
+    public function toBeLessThan(int|float|string|DateTimeInterface $expected, string $message = ''): self
     {
         Assert::assertLessThan($expected, $this->value, $message);
 
@@ -167,7 +167,7 @@ final class Expectation
      *
      * @return self<TValue>
      */
-    public function toBeLessThanOrEqual(int|float|DateTimeInterface $expected, string $message = ''): self
+    public function toBeLessThanOrEqual(int|float|string|DateTimeInterface $expected, string $message = ''): self
     {
         Assert::assertLessThanOrEqual($expected, $this->value, $message);
 
diff --git a/tests/.snapshots/success.txt b/tests/.snapshots/success.txt
index cd53e6fd..fbec75e2 100644
--- a/tests/.snapshots/success.txt
+++ b/tests/.snapshots/success.txt
@@ -430,6 +430,7 @@
    PASS  Tests\Features\Expect\toBeGreaterThan
   ✓ passes
   ✓ passes with DateTime and DateTimeImmutable
+  ✓ passes with strings
   ✓ failures
   ✓ failures with custom message
   ✓ not failures
@@ -437,6 +438,7 @@
    PASS  Tests\Features\Expect\toBeGreaterThanOrEqual
   ✓ passes
   ✓ passes with DateTime and DateTimeImmutable
+  ✓ passes with strings
   ✓ failures
   ✓ failures with custom message
   ✓ not failures
@@ -494,6 +496,7 @@
    PASS  Tests\Features\Expect\toBeLessThan
   ✓ passes
   ✓ passes with DateTime and DateTimeImmutable
+  ✓ passes with strings
   ✓ failures
   ✓ failures with custom message
   ✓ not failures
@@ -501,6 +504,7 @@
    PASS  Tests\Features\Expect\toBeLessThanOrEqual
   ✓ passes
   ✓ passes with DateTime and DateTimeImmutable
+  ✓ passes with strings
   ✓ failures
   ✓ failures with custom message
   ✓ not failures
diff --git a/tests/Features/Expect/toBeGreaterThan.php b/tests/Features/Expect/toBeGreaterThan.php
index a3ceafef..f59c6628 100644
--- a/tests/Features/Expect/toBeGreaterThan.php
+++ b/tests/Features/Expect/toBeGreaterThan.php
@@ -16,6 +16,11 @@ test('passes with DateTime and DateTimeImmutable', function () {
     expect($past)->not->toBeGreaterThan($now);
 });
 
+test('passes with strings', function () {
+    expect('b')->toBeGreaterThan('a');
+    expect('a')->not->toBeGreaterThan('a');
+});
+
 test('failures', function () {
     expect(4)->toBeGreaterThan(4);
 })->throws(ExpectationFailedException::class);
diff --git a/tests/Features/Expect/toBeGreaterThanOrEqual.php b/tests/Features/Expect/toBeGreaterThanOrEqual.php
index 4a0f62ad..52aa3b18 100644
--- a/tests/Features/Expect/toBeGreaterThanOrEqual.php
+++ b/tests/Features/Expect/toBeGreaterThanOrEqual.php
@@ -18,6 +18,11 @@ test('passes with DateTime and DateTimeImmutable', function () {
     expect($past)->not->toBeGreaterThanOrEqual($now);
 });
 
+test('passes with strings', function () {
+    expect('b')->toBeGreaterThanOrEqual('a');
+    expect('a')->toBeGreaterThanOrEqual('a');
+});
+
 test('failures', function () {
     expect(4)->toBeGreaterThanOrEqual(4.1);
 })->throws(ExpectationFailedException::class);
diff --git a/tests/Features/Expect/toBeLessThan.php b/tests/Features/Expect/toBeLessThan.php
index 802c1c08..f7de96fa 100644
--- a/tests/Features/Expect/toBeLessThan.php
+++ b/tests/Features/Expect/toBeLessThan.php
@@ -16,6 +16,11 @@ test('passes with DateTime and DateTimeImmutable', function () {
     expect($now)->not->toBeLessThan($now);
 });
 
+test('passes with strings', function () {
+    expect('a')->toBeLessThan('b');
+    expect('a')->not->toBeLessThan('a');
+});
+
 test('failures', function () {
     expect(4)->toBeLessThan(4);
 })->throws(ExpectationFailedException::class);
diff --git a/tests/Features/Expect/toBeLessThanOrEqual.php b/tests/Features/Expect/toBeLessThanOrEqual.php
index e5643759..f25f0774 100644
--- a/tests/Features/Expect/toBeLessThanOrEqual.php
+++ b/tests/Features/Expect/toBeLessThanOrEqual.php
@@ -18,6 +18,11 @@ test('passes with DateTime and DateTimeImmutable', function () {
     expect($now)->not->toBeLessThanOrEqual($past);
 });
 
+test('passes with strings', function () {
+    expect('a')->toBeLessThanOrEqual('b');
+    expect('a')->toBeLessThanOrEqual('a');
+});
+
 test('failures', function () {
     expect(4)->toBeLessThanOrEqual(3.9);
 })->throws(ExpectationFailedException::class);