diff --git a/src/Expectation.php b/src/Expectation.php
index 1b5d1f03..fabc51f8 100644
--- a/src/Expectation.php
+++ b/src/Expectation.php
@@ -205,6 +205,16 @@ final class Expectation
         return $this;
     }
 
+    /**
+     * Asserts that the value is truthy.
+     */
+    public function toBeTruthy(): Expectation
+    {
+        Assert::assertTrue((bool) $this->value);
+
+        return $this;
+    }
+
     /**
      * Asserts that the value is false.
      */
@@ -215,6 +225,16 @@ final class Expectation
         return $this;
     }
 
+    /**
+     * Asserts that the value is falsy.
+     */
+    public function toBeFalsy(): Expectation
+    {
+        Assert::assertFalse((bool) $this->value);
+
+        return $this;
+    }
+
     /**
      * Asserts that the value is greater than $expected.
      *
diff --git a/tests/Features/Expect/ToBeFalsy.php b/tests/Features/Expect/ToBeFalsy.php
new file mode 100644
index 00000000..761e9cc1
--- /dev/null
+++ b/tests/Features/Expect/ToBeFalsy.php
@@ -0,0 +1,26 @@
+<?php
+
+use PHPUnit\Framework\ExpectationFailedException;
+
+test('passes', function () {
+    expect(false)->toBeFalsy();
+    expect('')->toBeFalsy();
+    expect(null)->toBeFalsy();
+    expect([])->toBeFalsy();
+    expect(0)->toBeFalsy();
+    expect('0')->toBeFalsy();
+
+    expect(true)->not->toBeFalsy();
+    expect([1])->not->toBeFalsy();
+    expect('false')->not->toBeFalsy();
+    expect(1)->not->toBeFalsy();
+    expect(-1)->not->toBeFalsy();
+});
+
+test('failures', function () {
+    expect(1)->toBeFalsy();
+})->throws(ExpectationFailedException::class);
+
+test('not failures', function () {
+    expect(null)->not->toBeFalsy();
+})->throws(ExpectationFailedException::class);
diff --git a/tests/Features/Expect/ToBeTruthy.php b/tests/Features/Expect/ToBeTruthy.php
new file mode 100644
index 00000000..710bd2df
--- /dev/null
+++ b/tests/Features/Expect/ToBeTruthy.php
@@ -0,0 +1,26 @@
+<?php
+
+use PHPUnit\Framework\ExpectationFailedException;
+
+test('passes', function () {
+    expect(true)->toBeTruthy();
+    expect([1])->toBeTruthy();
+    expect('false')->toBeTruthy();
+    expect(1)->toBeTruthy();
+    expect(-1)->toBeTruthy();
+
+    expect(false)->not->toBeTruthy();
+    expect('')->not->toBeTruthy();
+    expect(null)->not->toBeTruthy();
+    expect([])->not->toBeTruthy();
+    expect(0)->not->toBeTruthy();
+    expect('0')->not->toBeTruthy();
+});
+
+test('failures', function () {
+    expect(null)->toBeTruthy();
+})->throws(ExpectationFailedException::class);
+
+test('not failures', function () {
+    expect(1)->not->toBeTruthy();
+})->throws(ExpectationFailedException::class);