diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2aa2fe1f..577dabde 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Fixed
+- allow items: true to pass validation ([#801](https://github.com/jsonrainbow/json-schema/pull/801))
+
 ### Changed
 - Include actual count in collection constraint errors ([#797](https://github.com/jsonrainbow/json-schema/pull/797))
 
diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
index d4116654..aaa7831a 100644
--- a/phpstan-baseline.neon
+++ b/phpstan-baseline.neon
@@ -30,31 +30,11 @@ parameters:
 			count: 1
 			path: src/JsonSchema/Constraints/BaseConstraint.php
 
-		-
-			message: "#^Cannot access property \\$additionalItems on stdClass\\|null\\.$#"
-			count: 3
-			path: src/JsonSchema/Constraints/CollectionConstraint.php
-
-		-
-			message: "#^Cannot access property \\$items on stdClass\\|null\\.$#"
-			count: 6
-			path: src/JsonSchema/Constraints/CollectionConstraint.php
-
 		-
 			message: "#^Method JsonSchema\\\\Constraints\\\\CollectionConstraint\\:\\:validateItems\\(\\) has parameter \\$value with no value type specified in iterable type array\\.$#"
 			count: 1
 			path: src/JsonSchema/Constraints/CollectionConstraint.php
 
-		-
-			message: "#^Parameter \\#1 \\$object_or_class of function property_exists expects object\\|string, stdClass\\|null given\\.$#"
-			count: 1
-			path: src/JsonSchema/Constraints/CollectionConstraint.php
-
-		-
-			message: "#^Parameter \\#2 \\$schema of method JsonSchema\\\\Constraints\\\\CollectionConstraint\\:\\:validateItems\\(\\) expects stdClass\\|null, object given\\.$#"
-			count: 1
-			path: src/JsonSchema/Constraints/CollectionConstraint.php
-
 		-
 			message: "#^Method JsonSchema\\\\Constraints\\\\Constraint\\:\\:checkObject\\(\\) has parameter \\$appliedDefaults with no type specified\\.$#"
 			count: 1
diff --git a/src/JsonSchema/Constraints/CollectionConstraint.php b/src/JsonSchema/Constraints/CollectionConstraint.php
index 8d346a6f..da0e7150 100644
--- a/src/JsonSchema/Constraints/CollectionConstraint.php
+++ b/src/JsonSchema/Constraints/CollectionConstraint.php
@@ -50,10 +50,7 @@ public function check(&$value, $schema = null, ?JsonPointer $path = null, $i = n
             }
         }
 
-        // Verify items
-        if (isset($schema->items)) {
-            $this->validateItems($value, $schema, $path, $i);
-        }
+        $this->validateItems($value, $schema, $path, $i);
     }
 
     /**
@@ -65,6 +62,14 @@ public function check(&$value, $schema = null, ?JsonPointer $path = null, $i = n
      */
     protected function validateItems(&$value, $schema = null, ?JsonPointer $path = null, $i = null): void
     {
+        if (\is_null($schema) || !isset($schema->items)) {
+            return;
+        }
+
+        if ($schema->items === true) {
+            return;
+        }
+
         if (is_object($schema->items)) {
             // just one type definition for the whole array
             foreach ($value as $k => &$v) {
diff --git a/tests/Constraints/ArraysTest.php b/tests/Constraints/ArraysTest.php
index bb11a091..9c63982e 100644
--- a/tests/Constraints/ArraysTest.php
+++ b/tests/Constraints/ArraysTest.php
@@ -271,7 +271,17 @@ public function getValidTests(): array
                         }
                     }
                 }'
-            ]
+            ],
+            'items: true passes validation' => [
+                'input' => <<<JSON
+                    [1, 1.2, "12"]
+JSON
+                ,
+                'schema' => <<<JSON
+                    { "type": "array", "items": true }
+JSON
+                ,
+            ],
         ];
     }
 }