diff --git a/objects/ddos/definition.json b/objects/ddos/definition.json
index 3835a6a..a8e09f4 100644
--- a/objects/ddos/definition.json
+++ b/objects/ddos/definition.json
@@ -3,7 +3,7 @@
   "uuid": "e2f124d6-f57c-4f93-99e6-8450545fa05d",
   "meta-category": "network",
   "description": "DDoS object describes a current DDoS activity from a specific or/and to a specific target. Type of DDoS can be attached to the object as a taxonomy",
-  "version": 3,
+  "version": 4,
   "attributes": {
     "total-bps": {
       "description": "Bits per second",
@@ -60,7 +60,7 @@
       "description": "Protocol used for the attack",
       "misp-attribute": "text",
       "ui-priority": 0,
-      "required_value": [
+      "required_valu": [
         "TCP",
         "UDP",
         "ICMP",
diff --git a/objects/person/definition.json b/objects/person/definition.json
index d47ed9d..5f7f5ca 100755
--- a/objects/person/definition.json
+++ b/objects/person/definition.json
@@ -39,7 +39,7 @@
       "description": "The gender of a natural person.",
       "ui-priority": 0,
       "misp-attribute": "gender",
-      "required_value": [
+      "values_list": [
         "Male",
         "Female",
         "Other",
@@ -72,7 +72,7 @@
       "misp-attribute": "nationality"
     }
   },
-  "version": 1,
+  "version": 2,
   "description": "An person which describes a person or an identity.",
   "meta-category": "misc",
   "uuid": "a15b0477-e9d1-4b9c-9546-abe78a4f4248",
diff --git a/objects/regexp/definition.json b/objects/regexp/definition.json
index 59a6a12..0b95765 100644
--- a/objects/regexp/definition.json
+++ b/objects/regexp/definition.json
@@ -13,7 +13,7 @@
       "disable_correlation": true,
       "ui-priority": 0,
       "misp-attribute": "text",
-      "required_value": [
+      "values_list": [
         "PCRE",
         "PCRE2",
         "POSIX BRE",
@@ -26,7 +26,7 @@
       "misp-attribute": "text"
     }
   },
-  "version": 1,
+  "version": 2,
   "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",