diff --git a/descriptions/api.github.com/api.github.com.2022-11-28.json b/descriptions/api.github.com/api.github.com.2022-11-28.json
index f19207e168..c7f89ed89e 100644
--- a/descriptions/api.github.com/api.github.com.2022-11-28.json
+++ b/descriptions/api.github.com/api.github.com.2022-11-28.json
@@ -92529,7 +92529,7 @@
             "type": "object",
             "description": "The assignee that has been granted access to GitHub Copilot.",
             "additionalProperties": true,
-            "enum": [
+            "oneOf": [
               {
                 "$ref": "#/components/schemas/simple-user"
               },
diff --git a/descriptions/api.github.com/api.github.com.2022-11-28.yaml b/descriptions/api.github.com/api.github.com.2022-11-28.yaml
index 20cb7cc0be..f5b1225676 100644
--- a/descriptions/api.github.com/api.github.com.2022-11-28.yaml
+++ b/descriptions/api.github.com/api.github.com.2022-11-28.yaml
@@ -66729,7 +66729,7 @@ components:
           type: object
           description: The assignee that has been granted access to GitHub Copilot.
           additionalProperties: true
-          enum:
+          oneOf:
           - "$ref": "#/components/schemas/simple-user"
           - "$ref": "#/components/schemas/team"
           - "$ref": "#/components/schemas/organization"
diff --git a/descriptions/api.github.com/api.github.com.json b/descriptions/api.github.com/api.github.com.json
index f19207e168..c7f89ed89e 100644
--- a/descriptions/api.github.com/api.github.com.json
+++ b/descriptions/api.github.com/api.github.com.json
@@ -92529,7 +92529,7 @@
             "type": "object",
             "description": "The assignee that has been granted access to GitHub Copilot.",
             "additionalProperties": true,
-            "enum": [
+            "oneOf": [
               {
                 "$ref": "#/components/schemas/simple-user"
               },
diff --git a/descriptions/api.github.com/api.github.com.yaml b/descriptions/api.github.com/api.github.com.yaml
index 20cb7cc0be..f5b1225676 100644
--- a/descriptions/api.github.com/api.github.com.yaml
+++ b/descriptions/api.github.com/api.github.com.yaml
@@ -66729,7 +66729,7 @@ components:
           type: object
           description: The assignee that has been granted access to GitHub Copilot.
           additionalProperties: true
-          enum:
+          oneOf:
           - "$ref": "#/components/schemas/simple-user"
           - "$ref": "#/components/schemas/team"
           - "$ref": "#/components/schemas/organization"
diff --git a/descriptions/api.github.com/dereferenced/api.github.com.2022-11-28.deref.json b/descriptions/api.github.com/dereferenced/api.github.com.2022-11-28.deref.json
index 768faf53f4..e796ffce02 100644
--- a/descriptions/api.github.com/dereferenced/api.github.com.2022-11-28.deref.json
+++ b/descriptions/api.github.com/dereferenced/api.github.com.2022-11-28.deref.json
@@ -62696,7 +62696,7 @@
                             "type": "object",
                             "description": "The assignee that has been granted access to GitHub Copilot.",
                             "additionalProperties": true,
-                            "enum": [
+                            "oneOf": [
                               {
                                 "title": "Simple User",
                                 "description": "A GitHub user.",
@@ -84300,7 +84300,7 @@
                       "type": "object",
                       "description": "The assignee that has been granted access to GitHub Copilot.",
                       "additionalProperties": true,
-                      "enum": [
+                      "oneOf": [
                         {
                           "title": "Simple User",
                           "description": "A GitHub user.",
diff --git a/descriptions/api.github.com/dereferenced/api.github.com.2022-11-28.deref.yaml b/descriptions/api.github.com/dereferenced/api.github.com.2022-11-28.deref.yaml
index 65349b21a7..b0152e68ad 100644
--- a/descriptions/api.github.com/dereferenced/api.github.com.2022-11-28.deref.yaml
+++ b/descriptions/api.github.com/dereferenced/api.github.com.2022-11-28.deref.yaml
@@ -19034,7 +19034,7 @@ paths:
                           description: The assignee that has been granted access to
                             GitHub Copilot.
                           additionalProperties: true
-                          enum:
+                          oneOf:
                           - *18
                           - &122
                             title: Team
diff --git a/descriptions/api.github.com/dereferenced/api.github.com.deref.json b/descriptions/api.github.com/dereferenced/api.github.com.deref.json
index 768faf53f4..e796ffce02 100644
--- a/descriptions/api.github.com/dereferenced/api.github.com.deref.json
+++ b/descriptions/api.github.com/dereferenced/api.github.com.deref.json
@@ -62696,7 +62696,7 @@
                             "type": "object",
                             "description": "The assignee that has been granted access to GitHub Copilot.",
                             "additionalProperties": true,
-                            "enum": [
+                            "oneOf": [
                               {
                                 "title": "Simple User",
                                 "description": "A GitHub user.",
@@ -84300,7 +84300,7 @@
                       "type": "object",
                       "description": "The assignee that has been granted access to GitHub Copilot.",
                       "additionalProperties": true,
-                      "enum": [
+                      "oneOf": [
                         {
                           "title": "Simple User",
                           "description": "A GitHub user.",
diff --git a/descriptions/api.github.com/dereferenced/api.github.com.deref.yaml b/descriptions/api.github.com/dereferenced/api.github.com.deref.yaml
index 65349b21a7..b0152e68ad 100644
--- a/descriptions/api.github.com/dereferenced/api.github.com.deref.yaml
+++ b/descriptions/api.github.com/dereferenced/api.github.com.deref.yaml
@@ -19034,7 +19034,7 @@ paths:
                           description: The assignee that has been granted access to
                             GitHub Copilot.
                           additionalProperties: true
-                          enum:
+                          oneOf:
                           - *18
                           - &122
                             title: Team
diff --git a/descriptions/ghec/dereferenced/ghec.2022-11-28.deref.json b/descriptions/ghec/dereferenced/ghec.2022-11-28.deref.json
index af1e2b14cc..00a67af38b 100644
--- a/descriptions/ghec/dereferenced/ghec.2022-11-28.deref.json
+++ b/descriptions/ghec/dereferenced/ghec.2022-11-28.deref.json
@@ -75842,7 +75842,7 @@
                             "type": "object",
                             "description": "The assignee that has been granted access to GitHub Copilot.",
                             "additionalProperties": true,
-                            "enum": [
+                            "oneOf": [
                               {
                                 "title": "Simple User",
                                 "description": "A GitHub user.",
@@ -100640,7 +100640,7 @@
                       "type": "object",
                       "description": "The assignee that has been granted access to GitHub Copilot.",
                       "additionalProperties": true,
-                      "enum": [
+                      "oneOf": [
                         {
                           "title": "Simple User",
                           "description": "A GitHub user.",
diff --git a/descriptions/ghec/dereferenced/ghec.2022-11-28.deref.yaml b/descriptions/ghec/dereferenced/ghec.2022-11-28.deref.yaml
index e40a778add..727b2d57e0 100644
--- a/descriptions/ghec/dereferenced/ghec.2022-11-28.deref.yaml
+++ b/descriptions/ghec/dereferenced/ghec.2022-11-28.deref.yaml
@@ -23137,7 +23137,7 @@ paths:
                           description: The assignee that has been granted access to
                             GitHub Copilot.
                           additionalProperties: true
-                          enum:
+                          oneOf:
                           - *18
                           - &161
                             title: Team
diff --git a/descriptions/ghec/dereferenced/ghec.deref.json b/descriptions/ghec/dereferenced/ghec.deref.json
index af1e2b14cc..00a67af38b 100644
--- a/descriptions/ghec/dereferenced/ghec.deref.json
+++ b/descriptions/ghec/dereferenced/ghec.deref.json
@@ -75842,7 +75842,7 @@
                             "type": "object",
                             "description": "The assignee that has been granted access to GitHub Copilot.",
                             "additionalProperties": true,
-                            "enum": [
+                            "oneOf": [
                               {
                                 "title": "Simple User",
                                 "description": "A GitHub user.",
@@ -100640,7 +100640,7 @@
                       "type": "object",
                       "description": "The assignee that has been granted access to GitHub Copilot.",
                       "additionalProperties": true,
-                      "enum": [
+                      "oneOf": [
                         {
                           "title": "Simple User",
                           "description": "A GitHub user.",
diff --git a/descriptions/ghec/dereferenced/ghec.deref.yaml b/descriptions/ghec/dereferenced/ghec.deref.yaml
index e40a778add..727b2d57e0 100644
--- a/descriptions/ghec/dereferenced/ghec.deref.yaml
+++ b/descriptions/ghec/dereferenced/ghec.deref.yaml
@@ -23137,7 +23137,7 @@ paths:
                           description: The assignee that has been granted access to
                             GitHub Copilot.
                           additionalProperties: true
-                          enum:
+                          oneOf:
                           - *18
                           - &161
                             title: Team
diff --git a/descriptions/ghec/ghec.2022-11-28.json b/descriptions/ghec/ghec.2022-11-28.json
index 9e4d20d582..a592238bc3 100644
--- a/descriptions/ghec/ghec.2022-11-28.json
+++ b/descriptions/ghec/ghec.2022-11-28.json
@@ -100516,7 +100516,7 @@
             "type": "object",
             "description": "The assignee that has been granted access to GitHub Copilot.",
             "additionalProperties": true,
-            "enum": [
+            "oneOf": [
               {
                 "$ref": "#/components/schemas/simple-user"
               },
diff --git a/descriptions/ghec/ghec.2022-11-28.yaml b/descriptions/ghec/ghec.2022-11-28.yaml
index 8adc25dc81..ed186de480 100644
--- a/descriptions/ghec/ghec.2022-11-28.yaml
+++ b/descriptions/ghec/ghec.2022-11-28.yaml
@@ -72572,7 +72572,7 @@ components:
           type: object
           description: The assignee that has been granted access to GitHub Copilot.
           additionalProperties: true
-          enum:
+          oneOf:
           - "$ref": "#/components/schemas/simple-user"
           - "$ref": "#/components/schemas/team"
           - "$ref": "#/components/schemas/organization"
diff --git a/descriptions/ghec/ghec.json b/descriptions/ghec/ghec.json
index 9e4d20d582..a592238bc3 100644
--- a/descriptions/ghec/ghec.json
+++ b/descriptions/ghec/ghec.json
@@ -100516,7 +100516,7 @@
             "type": "object",
             "description": "The assignee that has been granted access to GitHub Copilot.",
             "additionalProperties": true,
-            "enum": [
+            "oneOf": [
               {
                 "$ref": "#/components/schemas/simple-user"
               },
diff --git a/descriptions/ghec/ghec.yaml b/descriptions/ghec/ghec.yaml
index 8adc25dc81..ed186de480 100644
--- a/descriptions/ghec/ghec.yaml
+++ b/descriptions/ghec/ghec.yaml
@@ -72572,7 +72572,7 @@ components:
           type: object
           description: The assignee that has been granted access to GitHub Copilot.
           additionalProperties: true
-          enum:
+          oneOf:
           - "$ref": "#/components/schemas/simple-user"
           - "$ref": "#/components/schemas/team"
           - "$ref": "#/components/schemas/organization"