diff --git a/lib/Finder/ComposerFinder.php b/lib/Finder/ComposerFinder.php
index 2b852b5..417ce80 100644
--- a/lib/Finder/ComposerFinder.php
+++ b/lib/Finder/ComposerFinder.php
@@ -73,7 +73,7 @@ public function useAutoloading(bool $use = true): self
         return $this;
     }
 
-    /** @return Iterator<Reflector> */
+    /** @return Iterator<class-string, Reflector> */
     public function getIterator(): Iterator
     {
         $flags = 0;
diff --git a/lib/Finder/PhpDocumentorFinder.php b/lib/Finder/PhpDocumentorFinder.php
index 175524a..523b3c1 100644
--- a/lib/Finder/PhpDocumentorFinder.php
+++ b/lib/Finder/PhpDocumentorFinder.php
@@ -27,7 +27,7 @@ public function __construct(private string $dir)
         }
     }
 
-    /** @return Iterator<Element> */
+    /** @return Iterator<class-string, Element> */
     public function getIterator(): Iterator
     {
         $pathCallback = $this->pathFilterCallback !== null ? ($this->pathFilterCallback)(...) : null;
diff --git a/lib/Finder/Psr0Finder.php b/lib/Finder/Psr0Finder.php
index 89d2b98..7afd86b 100644
--- a/lib/Finder/Psr0Finder.php
+++ b/lib/Finder/Psr0Finder.php
@@ -49,7 +49,7 @@ public function setReflectorFactory(ReflectorFactoryInterface|null $reflectorFac
         return $this;
     }
 
-    /** @return Iterator<Reflector> */
+    /** @return Iterator<class-string, Reflector> */
     public function getIterator(): Iterator
     {
         $pathFilterCallback = $this->pathFilterCallback !== null ? ($this->pathFilterCallback)(...) : null;
diff --git a/lib/Finder/Psr4Finder.php b/lib/Finder/Psr4Finder.php
index c4d1730..10f2e90 100644
--- a/lib/Finder/Psr4Finder.php
+++ b/lib/Finder/Psr4Finder.php
@@ -49,7 +49,7 @@ public function setReflectorFactory(ReflectorFactoryInterface|null $reflectorFac
         return $this;
     }
 
-    /** @return Iterator<Reflector> */
+    /** @return Iterator<class-string, Reflector> */
     public function getIterator(): Iterator
     {
         $pathFilterCallback = $this->pathFilterCallback !== null ? ($this->pathFilterCallback)(...) : null;