diff --git a/fixture_src/Fixtures.php b/fixture_src/Fixtures.php
index b807c13..d686dbc 100644
--- a/fixture_src/Fixtures.php
+++ b/fixture_src/Fixtures.php
@@ -82,4 +82,7 @@ public static function classOnlyAttributeSingleInterface() : ClassOnlyAttributeS
         return new ClassOnlyAttributeSingleInterfaceFixture();
     }
 
+    public static function targetAttributeInterface() : TargetAttributeInterfaceFixture {
+        return new TargetAttributeInterfaceFixture();
+    }
 }
\ No newline at end of file
diff --git a/fixture_src/TargetAttributeImplementation.php b/fixture_src/TargetAttributeImplementation.php
new file mode 100644
index 0000000..7a82f58
--- /dev/null
+++ b/fixture_src/TargetAttributeImplementation.php
@@ -0,0 +1,9 @@
+<?php
+
+namespace Cspray\AnnotatedTargetFixture;
+
+#[\Attribute(\Attribute::TARGET_CLASS)]
+final class TargetAttributeImplementation implements TargetAttributeInterface {
+
+    public function __construct(public readonly string $value) {}
+}
\ No newline at end of file
diff --git a/fixture_src/TargetAttributeInterface.php b/fixture_src/TargetAttributeInterface.php
new file mode 100644
index 0000000..59f8ce9
--- /dev/null
+++ b/fixture_src/TargetAttributeInterface.php
@@ -0,0 +1,7 @@
+<?php
+
+namespace Cspray\AnnotatedTargetFixture;
+
+interface TargetAttributeInterface {
+
+}
\ No newline at end of file
diff --git a/fixture_src/TargetAttributeInterface/TargetClass.php b/fixture_src/TargetAttributeInterface/TargetClass.php
new file mode 100644
index 0000000..68fb0de
--- /dev/null
+++ b/fixture_src/TargetAttributeInterface/TargetClass.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace Cspray\AnnotatedTargetFixture\TargetAttributeInterface;
+
+use Cspray\AnnotatedTargetFixture\TargetAttributeImplementation;
+
+#[TargetAttributeImplementation('target-attr')]
+class TargetClass {
+
+}
\ No newline at end of file
diff --git a/fixture_src/TargetAttributeInterfaceFixture.php b/fixture_src/TargetAttributeInterfaceFixture.php
new file mode 100644
index 0000000..c8fc9e8
--- /dev/null
+++ b/fixture_src/TargetAttributeInterfaceFixture.php
@@ -0,0 +1,18 @@
+<?php
+
+namespace Cspray\AnnotatedTargetFixture;
+
+use Cspray\AnnotatedTargetFixture\TargetAttributeInterface\TargetClass;
+use Cspray\Typiphy\ObjectType;
+use function Cspray\Typiphy\objectType;
+
+final class TargetAttributeInterfaceFixture implements Fixture {
+
+    public function getPath() : string {
+        return __DIR__ . '/TargetAttributeInterface';
+    }
+
+    public function targetClass() : ObjectType {
+        return objectType(TargetClass::class);
+    }
+}
\ No newline at end of file
diff --git a/src/PhpParserAnnotatedTargetParser.php b/src/PhpParserAnnotatedTargetParser.php
index 1e284dc..c64ef3b 100644
--- a/src/PhpParserAnnotatedTargetParser.php
+++ b/src/PhpParserAnnotatedTargetParser.php
@@ -80,7 +80,7 @@ public function leaveNode(Node $node) {
                     foreach ($node->attrGroups as $attrGroup) {
                         foreach ($attrGroup->attrs as $attr) {
                             $attrType = $attr->name->toString();
-                            if (!empty($this->filteredAttributes) && !in_array($attrType, $this->filteredAttributes)) {
+                            if (!empty($this->filteredAttributes) && !$this->isAttributeInstanceOfFilteredAttribute($attrType)) {
                                 continue;
                             }
                             if ($node instanceof Node\Stmt\Class_ || $node instanceof Node\Stmt\Interface_) {
@@ -106,6 +106,16 @@ public function leaveNode(Node $node) {
                 }
             }
 
+            private function isAttributeInstanceOfFilteredAttribute(string $attrType) : bool {
+                foreach ($this->filteredAttributes as $filteredAttribute) {
+                    if (is_a($attrType, $filteredAttribute, true)) {
+                        return true;
+                    }
+                }
+
+                return false;
+            }
+
             private function getAnnotatedTargetFromClassNode(Node\Stmt\Class_|Node\Stmt\Interface_ $class, int $index) : AnnotatedTarget {
                 $classType = $class->namespacedName->toString();
                 return $this->getAnnotatedTarget(fn() => new ReflectionClass($classType), $index);
diff --git a/tests/Unit/TargetAttributeInterfaceTest.php b/tests/Unit/TargetAttributeInterfaceTest.php
new file mode 100644
index 0000000..6c42862
--- /dev/null
+++ b/tests/Unit/TargetAttributeInterfaceTest.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace Cspray\AnnotatedTarget\Unit;
+
+use Cspray\AnnotatedTargetFixture\Fixtures;
+use Cspray\AnnotatedTargetFixture\TargetAttributeImplementation;
+use Cspray\AnnotatedTargetFixture\TargetAttributeInterface;
+use function Cspray\Typiphy\objectType;
+
+uses(AnnotatedTargetParserTestCase::class);
+
+beforeEach()->withFixtures(Fixtures::targetAttributeInterface())
+    ->withFilteredAttributes(objectType(TargetAttributeInterface::class));
+
+it('counts parsed targets for single class')
+    ->expect(fn() => $this->getTargets())
+    ->toHaveCount(1);
+
+it('ensures all targets are correct type')
+    ->expect(fn() => $this->getTargets())
+    ->toContainOnlyAnnotatedTargets();
+
+it('ensures all targets share target reflection')
+    ->expect(fn() => $this->getTargets())
+    ->toShareTargetReflection();
+
+it('ensures all targets share attribute reflection')
+    ->expect(fn() => $this->getTargets())
+    ->toShareAttributeReflection();
+
+it('ensures all targets share attribute instance')
+    ->expect(fn() => $this->getTargets())
+    ->toShareAttributeInstance();
+
+it('includes target reflection class')
+    ->expect(fn() => $this->getTargets())
+    ->toContainTargetClass(Fixtures::targetAttributeInterface()->targetClass());
+
+it('includes attribute reflection class')
+    ->expect(fn() => $this->getTargets())
+    ->toContainTargetClassWithAttribute(Fixtures::targetAttributeInterface()->targetClass(), objectType(TargetAttributeImplementation::class));
+
+it('includes attribute instance with correct value')
+    ->expect(fn() => $this->getTargets())
+    ->toContainTargetClassWithAttributeInstance(
+        Fixtures::targetAttributeInterface()->targetClass(),
+        objectType(TargetAttributeImplementation::class),
+        fn(TargetAttributeImplementation $classOnly) => $classOnly->value === 'target-attr'
+    );