diff --git a/psalm.xml b/psalm.xml
index 0895a49..53f3803 100644
--- a/psalm.xml
+++ b/psalm.xml
@@ -15,6 +15,7 @@
         </ignoreFiles>
     </projectFiles>
     <issueHandlers>
+        <MissingClassConstType errorLevel="suppress"/>
         <UndefinedAttributeClass>
             <errorLevel type="suppress">
                 <referencedClass name="JetBrains\PhpStorm\ExpectedValues"/>