diff --git a/composer.json b/composer.json
index f8c0d0d074..5626992972 100644
--- a/composer.json
+++ b/composer.json
@@ -43,7 +43,7 @@
         "doctrine/coding-standard": "^9.0",
         "jmikola/geojson": "^1.0",
         "phpbench/phpbench": "^1.0.0",
-        "phpstan/phpstan": "^1.1",
+        "phpstan/phpstan": "^1.4.6",
         "phpstan/phpstan-phpunit": "^1.0",
         "phpunit/phpunit": "^8.5 || ^9",
         "squizlabs/php_codesniffer": "^3.5",
diff --git a/lib/Doctrine/ODM/MongoDB/Aggregation/Stage/GraphLookup.php b/lib/Doctrine/ODM/MongoDB/Aggregation/Stage/GraphLookup.php
index 9f854b6346..d365c17d32 100644
--- a/lib/Doctrine/ODM/MongoDB/Aggregation/Stage/GraphLookup.php
+++ b/lib/Doctrine/ODM/MongoDB/Aggregation/Stage/GraphLookup.php
@@ -22,25 +22,25 @@
 
 class GraphLookup extends Stage
 {
-    /** @var string */
+    /** @var string|null */
     private $from;
 
-    /** @var string|Expr|array */
+    /** @var string|Expr|array|null */
     private $startWith;
 
-    /** @var string */
+    /** @var string|null */
     private $connectFromField;
 
-    /** @var string */
+    /** @var string|null */
     private $connectToField;
 
-    /** @var string */
+    /** @var string|null */
     private $as;
 
-    /** @var int */
+    /** @var int|null */
     private $maxDepth;
 
-    /** @var string */
+    /** @var string|null */
     private $depthField;
 
     /** @var Stage\GraphLookup\MatchStage */
diff --git a/lib/Doctrine/ODM/MongoDB/Proxy/Factory/StaticProxyFactory.php b/lib/Doctrine/ODM/MongoDB/Proxy/Factory/StaticProxyFactory.php
index 85e41af03f..5c4e9f242d 100644
--- a/lib/Doctrine/ODM/MongoDB/Proxy/Factory/StaticProxyFactory.php
+++ b/lib/Doctrine/ODM/MongoDB/Proxy/Factory/StaticProxyFactory.php
@@ -108,7 +108,6 @@ private function createInitializer(
             $initializer         = null;
             $identifier          = $metadata->getIdentifierValue($ghostObject);
 
-            // @phpstan-ignore-next-line $ghostObject is of type T&GhostObjectInterface<T>
             if (! $documentPersister->load(['_id' => $identifier], $ghostObject)) {
                 $initializer = $originalInitializer;
 
diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
index 53949a6521..df9765c975 100644
--- a/phpstan-baseline.neon
+++ b/phpstan-baseline.neon
@@ -197,12 +197,6 @@ parameters:
             count: 1
             path: lib/Doctrine/ODM/MongoDB/PersistentCollection.php
 
-        # There is no way to define a generic array as attribute
-        -
-            message: "#^Method Doctrine\\\\ODM\\\\MongoDB\\\\UnitOfWork\\:\\:getById\\(\\) should return T of object but returns object\\.$#"
-            count: 1
-            path: lib/Doctrine/ODM/MongoDB/UnitOfWork.php
-
         # That statement is never reached because DateTimeInterface is either DateTimeImmutable or DateTime
         -
             message: "#^Unreachable statement \\- code above always terminates\\.$#"
@@ -253,12 +247,6 @@ parameters:
             count: 1
             path: tests/Doctrine/ODM/MongoDB/Tests/DocumentRepositoryTest.php
 
-        # See https://github.com/phpstan/phpstan/issues/5860
-        -
-            message: "#^Method Doctrine\\\\ODM\\\\MongoDB\\\\UnitOfWork\\:\\:getOrCreateDocument\\(\\) should return T of object but returns \\(Doctrine\\\\Persistence\\\\NotifyPropertyChanged&ProxyManager\\\\Proxy\\\\GhostObjectInterface&T of object\\)\\|\\(ProxyManager\\\\Proxy\\\\GhostObjectInterface&T of object\\)\\|T of object\\.$#"
-            count: 1
-            path: lib/Doctrine/ODM/MongoDB/UnitOfWork.php
-
         # 'strategy' offset is defined as nullable, but here there is no check here
         -
             message: "#^Offset 'strategy' does not exist on array\\{\\}\\|array\\{type\\?\\: string, fieldName\\: string, name\\: string, isCascadeRemove\\: bool, isCascadePersist\\: bool, isCascadeRefresh\\: bool, isCascadeMerge\\: bool, isCascadeDetach\\: bool, \\.\\.\\.\\}\\.$#"