diff --git a/src/Composer/DependencyResolver/Decisions.php b/src/Composer/DependencyResolver/Decisions.php
index 648b533dff1c..e69d1a00d975 100644
--- a/src/Composer/DependencyResolver/Decisions.php
+++ b/src/Composer/DependencyResolver/Decisions.php
@@ -142,31 +142,37 @@ public function revertLast()
         array_pop($this->decisionQueue);
     }
 
+    #[\ReturnTypeWillChange]
     public function count()
     {
         return \count($this->decisionQueue);
     }
 
+    #[\ReturnTypeWillChange]
     public function rewind()
     {
         end($this->decisionQueue);
     }
 
+    #[\ReturnTypeWillChange]
     public function current()
     {
         return current($this->decisionQueue);
     }
 
+    #[\ReturnTypeWillChange]
     public function key()
     {
         return key($this->decisionQueue);
     }
 
+    #[\ReturnTypeWillChange]
     public function next()
     {
         prev($this->decisionQueue);
     }
 
+    #[\ReturnTypeWillChange]
     public function valid()
     {
         return false !== current($this->decisionQueue);
diff --git a/src/Composer/DependencyResolver/RuleSet.php b/src/Composer/DependencyResolver/RuleSet.php
index aff0d4c6515c..0ac2bd762509 100644
--- a/src/Composer/DependencyResolver/RuleSet.php
+++ b/src/Composer/DependencyResolver/RuleSet.php
@@ -98,6 +98,7 @@ public function add(Rule $rule, $type)
         }
     }
 
+    #[\ReturnTypeWillChange]
     public function count()
     {
         return $this->nextRuleId;
@@ -116,6 +117,7 @@ public function getRules()
     /**
      * @return RuleSetIterator
      */
+    #[\ReturnTypeWillChange]
     public function getIterator()
     {
         return new RuleSetIterator($this->getRules());
diff --git a/src/Composer/DependencyResolver/RuleSetIterator.php b/src/Composer/DependencyResolver/RuleSetIterator.php
index 50d72dc93a36..e755572a06ad 100644
--- a/src/Composer/DependencyResolver/RuleSetIterator.php
+++ b/src/Composer/DependencyResolver/RuleSetIterator.php
@@ -33,16 +33,19 @@ public function __construct(array $rules)
         $this->rewind();
     }
 
+    #[\ReturnTypeWillChange]
     public function current()
     {
         return $this->rules[$this->currentType][$this->currentOffset];
     }
 
+    #[\ReturnTypeWillChange]
     public function key()
     {
         return $this->currentType;
     }
 
+    #[\ReturnTypeWillChange]
     public function next()
     {
         $this->currentOffset++;
@@ -67,6 +70,7 @@ public function next()
         }
     }
 
+    #[\ReturnTypeWillChange]
     public function rewind()
     {
         $this->currentOffset = 0;
@@ -86,6 +90,7 @@ public function rewind()
         } while (isset($this->types[$this->currentTypeOffset]) && !\count($this->rules[$this->currentType]));
     }
 
+    #[\ReturnTypeWillChange]
     public function valid()
     {
         return isset($this->rules[$this->currentType], $this->rules[$this->currentType][$this->currentOffset]);
diff --git a/src/Composer/Util/ErrorHandler.php b/src/Composer/Util/ErrorHandler.php
index 7c25fbae4f42..915bc3fb5576 100644
--- a/src/Composer/Util/ErrorHandler.php
+++ b/src/Composer/Util/ErrorHandler.php
@@ -52,8 +52,8 @@ public static function handle($level, $message, $file, $line)
         }
 
         if (self::$io) {
-            // ignore symfony/console deprecation warning
-            if (0 === strpos($message, 'Return type of Symfony\\Component\\Console\\Helper\\HelperSet::getIterator() should either be compatible with IteratorAggregate::getIterator')) {
+            // ignore symfony/* deprecation warnings about return types
+            if (preg_match('{^Return type of Symfony\\Component\\.*ReturnTypeWillChange}', $message)) {
                 return true;
             }