diff --git a/stubs/Php80.phpstub b/stubs/Php80.phpstub
index dec2ba0b5..877b156f3 100644
--- a/stubs/Php80.phpstub
+++ b/stubs/Php80.phpstub
@@ -48,6 +48,13 @@ class ReflectionAttribute
     }
 }
 
+class ReflectionClassConstant
+{
+    public const IS_PUBLIC = 1;
+    public const IS_PROTECTED = 2;
+    public const IS_PRIVATE = 4;
+}
+
 class Attribute
 {
     public const TARGET_CLASS = 1;