diff --git a/githubkit/versions/ghec_v2022_11_28/models/group_0020.py b/githubkit/versions/ghec_v2022_11_28/models/group_0020.py
index 4db4f77ecc..d2cd51e0bb 100644
--- a/githubkit/versions/ghec_v2022_11_28/models/group_0020.py
+++ b/githubkit/versions/ghec_v2022_11_28/models/group_0020.py
@@ -35,7 +35,7 @@ class Repository(GitHubModel):
     license_: Union[None, LicenseSimple] = Field(alias="license")
     forks: int = Field()
     permissions: Missing[RepositoryPropPermissions] = Field(default=UNSET)
-    owner: SimpleUser = Field(title="Simple User", description="A GitHub user.")
+    owner: Union[None, SimpleUser] = Field()
     private: bool = Field(
         default=False, description="Whether the repository is private or public."
     )
diff --git a/githubkit/versions/ghec_v2022_11_28/types/group_0020.py b/githubkit/versions/ghec_v2022_11_28/types/group_0020.py
index 94bb640b49..b20421e03a 100644
--- a/githubkit/versions/ghec_v2022_11_28/types/group_0020.py
+++ b/githubkit/versions/ghec_v2022_11_28/types/group_0020.py
@@ -30,7 +30,7 @@ class RepositoryType(TypedDict):
     license_: Union[None, LicenseSimpleType]
     forks: int
     permissions: NotRequired[RepositoryPropPermissionsType]
-    owner: SimpleUserType
+    owner: Union[None, SimpleUserType]
     private: bool
     html_url: str
     description: Union[str, None]
diff --git a/githubkit/versions/v2022_11_28/models/group_0020.py b/githubkit/versions/v2022_11_28/models/group_0020.py
index 4db4f77ecc..d2cd51e0bb 100644
--- a/githubkit/versions/v2022_11_28/models/group_0020.py
+++ b/githubkit/versions/v2022_11_28/models/group_0020.py
@@ -35,7 +35,7 @@ class Repository(GitHubModel):
     license_: Union[None, LicenseSimple] = Field(alias="license")
     forks: int = Field()
     permissions: Missing[RepositoryPropPermissions] = Field(default=UNSET)
-    owner: SimpleUser = Field(title="Simple User", description="A GitHub user.")
+    owner: Union[None, SimpleUser] = Field()
     private: bool = Field(
         default=False, description="Whether the repository is private or public."
     )
diff --git a/githubkit/versions/v2022_11_28/types/group_0020.py b/githubkit/versions/v2022_11_28/types/group_0020.py
index 94bb640b49..b20421e03a 100644
--- a/githubkit/versions/v2022_11_28/types/group_0020.py
+++ b/githubkit/versions/v2022_11_28/types/group_0020.py
@@ -30,7 +30,7 @@ class RepositoryType(TypedDict):
     license_: Union[None, LicenseSimpleType]
     forks: int
     permissions: NotRequired[RepositoryPropPermissionsType]
-    owner: SimpleUserType
+    owner: Union[None, SimpleUserType]
     private: bool
     html_url: str
     description: Union[str, None]
diff --git a/pyproject.toml b/pyproject.toml
index 0fbab27974..089a4278f6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -293,6 +293,13 @@ source = "https://raw.githubusercontent.com/github/rest-api-description/main/des
   "null",
 ] }
 
+# https://github.com/yanyongyu/githubkit/issues/214
+# repo owner account may be deleted, can be null in pull request
+"/components/schemas/repository/properties/owner" = { anyOf = [
+  { type = "null" },
+  { "$ref" = "#/components/schemas/simple-user" },
+], "$ref" = "<unset>" }
+
 # https://github.com/github/rest-api-description/issues/2491
 "/components/schemas/auto-merge/properties/commit_title" = { type = [
   "string",