diff --git a/Model/ModelRegistry.php b/Model/ModelRegistry.php
index 48bc4ba..5e9a8e3 100644
--- a/Model/ModelRegistry.php
+++ b/Model/ModelRegistry.php
@@ -124,8 +124,8 @@ final class ModelRegistry
 
     private function getTypeShortName(Type $type): string
     {
-        if (null !== $type->getCollectionValueType()) {
-            return $this->getTypeShortName($type->getCollectionValueType()).'[]';
+        if (null !== $collectionType = $this->getCollectionValueType($type)) {
+            return $this->getTypeShortName($collectionType).'[]';
         }
 
         if (Type::BUILTIN_TYPE_OBJECT === $type->getBuiltinType()) {
@@ -142,8 +142,8 @@ final class ModelRegistry
         if (Type::BUILTIN_TYPE_OBJECT === $type->getBuiltinType()) {
             return $type->getClassName();
         } elseif ($type->isCollection()) {
-            if (null !== $type->getCollectionValueType()) {
-                return $this->typeToString($type->getCollectionValueType()).'[]';
+            if (null !== $collectionType = $this->getCollectionValueType($type)) {
+                return $this->typeToString($collectionType).'[]';
             } else {
                 return 'mixed[]';
             }
@@ -151,4 +151,14 @@ final class ModelRegistry
             return $type->getBuiltinType();
         }
     }
+
+    private function getCollectionValueType(Type $type): ?Type
+    {
+        // BC layer, this condition should be removed after removing support for symfony < 5.3
+        if (!method_exists($type, 'getCollectionValueTypes')) {
+            return $type->getCollectionValueType();
+        }
+
+        return $type->getCollectionValueTypes()[0] ?? null;
+    }
 }
diff --git a/PropertyDescriber/ArrayPropertyDescriber.php b/PropertyDescriber/ArrayPropertyDescriber.php
index cb02c36..ee89c17 100644
--- a/PropertyDescriber/ArrayPropertyDescriber.php
+++ b/PropertyDescriber/ArrayPropertyDescriber.php
@@ -32,7 +32,10 @@ class ArrayPropertyDescriber implements PropertyDescriberInterface, ModelRegistr
 
     public function describe(array $types, OA\Schema $property, array $groups = null)
     {
-        $type = $types[0]->getCollectionValueType();
+        // BC layer for symfony < 5.3
+        $type = method_exists($types[0], 'getCollectionValueTypes') ?
+            ($types[0]->getCollectionValueTypes()[0] ?? null) :
+            $types[0]->getCollectionValueType();
         if (null === $type) {
             throw new UndocumentedArrayItemsException();
         }
diff --git a/PropertyDescriber/ObjectPropertyDescriber.php b/PropertyDescriber/ObjectPropertyDescriber.php
index eb5d4bc..ef1aabc 100644
--- a/PropertyDescriber/ObjectPropertyDescriber.php
+++ b/PropertyDescriber/ObjectPropertyDescriber.php
@@ -23,7 +23,17 @@ class ObjectPropertyDescriber implements PropertyDescriberInterface, ModelRegist
 
     public function describe(array $types, OA\Schema $property, array $groups = null)
     {
-        $type = new Type($types[0]->getBuiltinType(), false, $types[0]->getClassName(), $types[0]->isCollection(), $types[0]->getCollectionKeyType(), $types[0]->getCollectionValueType()); // ignore nullable field
+        $type = new Type(
+            $types[0]->getBuiltinType(),
+            false,
+            $types[0]->getClassName(),
+            $types[0]->isCollection(),
+            $types[0]->getCollectionKeyType(),
+            // BC layer for symfony < 5.3
+            method_exists($types[0], 'getCollectionValueTypes') ?
+                ($types[0]->getCollectionValueTypes()[0] ?? null) :
+                $types[0]->getCollectionValueType()
+        ); // ignore nullable field
 
         if ($types[0]->isNullable()) {
             $property->nullable = true;