diff --git a/objects/regexp/definition.json b/objects/regexp/definition.json
index 1baf7a6..5322b71 100644
--- a/objects/regexp/definition.json
+++ b/objects/regexp/definition.json
@@ -47,7 +47,7 @@
       "misp-attribute": "text"
     }
   },
-  "version": 3,
+  "version": 4,
   "description": "An object describing a regular expression (regex or regexp). The object can be linked via a relationship to other attributes or objects to describe how it can be represented as a regular expression.",
   "meta-category": "misc",
   "uuid": "ceffad66-71e5-4e20-9370-1b3fb694c648",