diff --git a/definitions/3.0.0/SecurityRequirement.json b/definitions/3.0.0/SecurityRequirement.json
deleted file mode 100644
index 410afeb6..00000000
--- a/definitions/3.0.0/SecurityRequirement.json
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-  "type": "object",
-  "additionalProperties": {
-    "type": "array",
-    "items": {
-      "type": "string"
-    },
-    "uniqueItems": true
-  },
-  "$schema": "http://json-schema.org/draft-07/schema#",
-  "$id": "http://asyncapi.com/definitions/3.0.0/SecurityRequirement.json"
-}
\ No newline at end of file
diff --git a/definitions/3.0.0/oauth2Flow.json b/definitions/3.0.0/oauth2Flow.json
index f5a9e447..d3ca471b 100644
--- a/definitions/3.0.0/oauth2Flow.json
+++ b/definitions/3.0.0/oauth2Flow.json
@@ -13,7 +13,7 @@
       "type": "string",
       "format": "uri"
     },
-    "scopes": {
+    "availableScopes": {
       "$ref": "http://asyncapi.com/definitions/3.0.0/oauth2Scopes.json"
     }
   },
diff --git a/definitions/3.0.0/oauth2Flows.json b/definitions/3.0.0/oauth2Flows.json
index bb895f28..735806c8 100644
--- a/definitions/3.0.0/oauth2Flows.json
+++ b/definitions/3.0.0/oauth2Flows.json
@@ -25,7 +25,7 @@
             {
               "required": [
                 "authorizationUrl",
-                "scopes"
+                "availableScopes"
               ]
             },
             {
@@ -45,7 +45,7 @@
             {
               "required": [
                 "tokenUrl",
-                "scopes"
+                "availableScopes"
               ]
             },
             {
@@ -65,7 +65,7 @@
             {
               "required": [
                 "tokenUrl",
-                "scopes"
+                "availableScopes"
               ]
             },
             {
@@ -86,13 +86,20 @@
               "required": [
                 "authorizationUrl",
                 "tokenUrl",
-                "scopes"
+                "availableScopes"
               ]
             }
           ]
         }
       },
       "additionalProperties": false
+    },
+    "scopes": {
+      "type": "array",
+      "description": "List of the needed scope names.",
+      "items": {
+        "type": "string"
+      }
     }
   },
   "patternProperties": {
diff --git a/definitions/3.0.0/openIdConnect.json b/definitions/3.0.0/openIdConnect.json
index 4d034031..2150ba4d 100644
--- a/definitions/3.0.0/openIdConnect.json
+++ b/definitions/3.0.0/openIdConnect.json
@@ -17,6 +17,13 @@
     "openIdConnectUrl": {
       "type": "string",
       "format": "uri"
+    },
+    "scopes": {
+      "type": "array",
+      "description": "List of the needed scope names.",
+      "items": {
+        "type": "string"
+      }
     }
   },
   "patternProperties": {
diff --git a/definitions/3.0.0/operation.json b/definitions/3.0.0/operation.json
index bd99aa68..a8d00ad2 100644
--- a/definitions/3.0.0/operation.json
+++ b/definitions/3.0.0/operation.json
@@ -64,10 +64,7 @@
       "description": "A longer description of the operation. CommonMark is allowed."
     },
     "security": {
-      "type": "array",
-      "items": {
-        "$ref": "http://asyncapi.com/definitions/3.0.0/SecurityRequirement.json"
-      }
+      "$ref": "http://asyncapi.com/definitions/3.0.0/securityRequirements.json"
     },
     "tags": {
       "type": "array",
diff --git a/definitions/3.0.0/securityRequirements.json b/definitions/3.0.0/securityRequirements.json
new file mode 100644
index 00000000..b8da3dcb
--- /dev/null
+++ b/definitions/3.0.0/securityRequirements.json
@@ -0,0 +1,16 @@
+{
+  "description": "An array representing security requirements.",
+  "type": "array",
+  "items": {
+    "oneOf": [
+      {
+        "$ref": "http://asyncapi.com/definitions/3.0.0/Reference.json"
+      },
+      {
+        "$ref": "http://asyncapi.com/definitions/3.0.0/SecurityScheme.json"
+      }
+    ]
+  },
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "http://asyncapi.com/definitions/3.0.0/securityRequirements.json"
+}
diff --git a/definitions/3.0.0/server.json b/definitions/3.0.0/server.json
index 5b4fbb4e..5da34f82 100644
--- a/definitions/3.0.0/server.json
+++ b/definitions/3.0.0/server.json
@@ -38,10 +38,7 @@
       "$ref": "http://asyncapi.com/definitions/3.0.0/serverVariables.json"
     },
     "security": {
-      "type": "array",
-      "items": {
-        "$ref": "http://asyncapi.com/definitions/3.0.0/SecurityRequirement.json"
-      }
+      "$ref": "http://asyncapi.com/definitions/3.0.0/securityRequirements.json"
     },
     "bindings": {
       "$ref": "http://asyncapi.com/definitions/3.0.0/serverBindingsObject.json"