diff --git a/.gitattributes b/.gitattributes
index e25cf4a7..eead063b 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -5,3 +5,5 @@
 .scrutinizer.yml export-ignore
 phpunit.xml.dist export-ignore
 /phpcs.xml.dist export-ignore
+/phpstan.neon.dist export-ignore
+/psalm.xml.dist export-ignore
diff --git a/composer.json b/composer.json
index ba12f2c8..9365d7a1 100644
--- a/composer.json
+++ b/composer.json
@@ -23,8 +23,8 @@
     "require-dev": {
         "phpunit/phpunit": "^7.5 || ^8.5 || ^9.1.5",
         "doctrine/coding-standard": "^9.0",
-        "phpstan/phpstan": "^1",
-        "vimeo/psalm": "^4.2.1"
+        "phpstan/phpstan": "^1.4.8",
+        "vimeo/psalm": "^4.22"
     },
     "autoload": {
         "psr-4": { "Doctrine\\Common\\Collections\\": "lib/Doctrine/Common/Collections" }
diff --git a/lib/Doctrine/Common/Collections/AbstractLazyCollection.php b/lib/Doctrine/Common/Collections/AbstractLazyCollection.php
index 19d86e61..fc661ea1 100644
--- a/lib/Doctrine/Common/Collections/AbstractLazyCollection.php
+++ b/lib/Doctrine/Common/Collections/AbstractLazyCollection.php
@@ -292,7 +292,7 @@ public function getIterator()
     }
 
     /**
-     * {@inheritDoc}
+     * @param TKey $offset
      *
      * @return bool
      */
@@ -305,7 +305,7 @@ public function offsetExists($offset)
     }
 
     /**
-     * {@inheritDoc}
+     * @param TKey $offset
      *
      * @return mixed
      */
@@ -318,7 +318,8 @@ public function offsetGet($offset)
     }
 
     /**
-     * {@inheritDoc}
+     * @param TKey|null $offset
+     * @param T         $value
      *
      * @return void
      */
@@ -330,7 +331,7 @@ public function offsetSet($offset, $value)
     }
 
     /**
-     * {@inheritDoc}
+     * @param TKey $offset
      *
      * @return void
      */
diff --git a/lib/Doctrine/Common/Collections/ArrayCollection.php b/lib/Doctrine/Common/Collections/ArrayCollection.php
index 059ff0fc..40de04f5 100644
--- a/lib/Doctrine/Common/Collections/ArrayCollection.php
+++ b/lib/Doctrine/Common/Collections/ArrayCollection.php
@@ -165,7 +165,7 @@ public function removeElement($element)
     /**
      * Required by interface ArrayAccess.
      *
-     * {@inheritDoc}
+     * @param TKey $offset
      *
      * @return bool
      */
@@ -178,7 +178,7 @@ public function offsetExists($offset)
     /**
      * Required by interface ArrayAccess.
      *
-     * {@inheritDoc}
+     * @param TKey $offset
      *
      * @return mixed
      */
@@ -191,7 +191,8 @@ public function offsetGet($offset)
     /**
      * Required by interface ArrayAccess.
      *
-     * {@inheritDoc}
+     * @param TKey|null $offset
+     * @param T         $value
      *
      * @return void
      */
@@ -210,7 +211,7 @@ public function offsetSet($offset, $value)
     /**
      * Required by interface ArrayAccess.
      *
-     * {@inheritDoc}
+     * @param TKey $offset
      *
      * @return void
      */
diff --git a/psalm.xml.dist b/psalm.xml.dist
index 3b5d1111..e5471788 100644
--- a/psalm.xml.dist
+++ b/psalm.xml.dist
@@ -1,6 +1,6 @@
 <?xml version="1.0"?>
 <psalm
-    totallyTyped="false"
+    errorLevel="1"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xmlns="https://getpsalm.org/schema/config"
     xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd"
@@ -14,41 +14,17 @@
     </projectFiles>
 
     <issueHandlers>
-        <LessSpecificReturnType errorLevel="info" />
+        <MixedArgument errorLevel="info" />
+        <MixedArgumentTypeCoercion errorLevel="info" />
+        <MixedAssignment errorLevel="info" />
 
-        <!-- level 3 issues - slightly lazy code writing, but provably low false-negatives -->
-
-        <DeprecatedMethod errorLevel="info" />
-        <DeprecatedProperty errorLevel="info" />
-        <DeprecatedClass errorLevel="info" />
-        <DeprecatedConstant errorLevel="info" />
-        <DeprecatedInterface errorLevel="info" />
-        <DeprecatedTrait errorLevel="info" />
-
-        <InternalMethod errorLevel="info" />
-        <InternalProperty errorLevel="info" />
-        <InternalClass errorLevel="info" />
-
-        <MissingClosureReturnType errorLevel="info" />
-        <MissingReturnType errorLevel="info" />
-        <MissingPropertyType errorLevel="info" />
-        <InvalidDocblock errorLevel="info" />
-
-        <PropertyNotSetInConstructor errorLevel="info" />
-        <MissingConstructor errorLevel="info" />
-        <MissingClosureParamType errorLevel="info" />
-        <MissingParamType errorLevel="info" />
-
-        <RedundantCondition errorLevel="info" />
-
-        <DocblockTypeContradiction errorLevel="info" />
-        <RedundantConditionGivenDocblockType errorLevel="info" />
-
-        <UnresolvableInclude errorLevel="info" />
-
-        <RawObjectIteration errorLevel="info" />
+        <PossiblyNullArgument>
+            <errorLevel type="suppress">
+                <!-- Remove when https://github.com/vimeo/psalm/pull/7759 is released -->
+                <referencedFunction name="Doctrine\Common\Collections\Collection::offsetSet" />
+            </errorLevel>
+        </PossiblyNullArgument>
 
-        <InvalidStringClass errorLevel="info" />
         <UnsafeGenericInstantiation>
             <errorLevel type="suppress">
                 <file name="lib/Doctrine/Common/Collections/ArrayCollection.php"/>