diff --git a/github/repos.go b/github/repos.go
index b6d98cc1623..ecaeb0433e4 100644
--- a/github/repos.go
+++ b/github/repos.go
@@ -562,6 +562,8 @@ type PullRequestReviewsEnforcement struct {
 	DismissalRestrictions DismissalRestrictions `json:"dismissal_restrictions"`
 	// Specifies if approved reviews are dismissed automatically, when a new commit is pushed.
 	DismissStaleReviews bool `json:"dismiss_stale_reviews"`
+	// RequireCodeOwnerReviews specifies if an approved review is required in pull requests including files with a designated code owner.
+	RequireCodeOwnerReviews bool `json:"require_code_owner_reviews"`
 }
 
 // PullRequestReviewsEnforcementRequest represents request to set the pull request review
@@ -572,6 +574,8 @@ type PullRequestReviewsEnforcementRequest struct {
 	DismissalRestrictionsRequest *DismissalRestrictionsRequest `json:"dismissal_restrictions"`
 	// Specifies if approved reviews can be dismissed automatically, when a new commit is pushed. (Required)
 	DismissStaleReviews bool `json:"dismiss_stale_reviews"`
+	// RequireCodeOwnerReviews specifies if an approved review is required in pull requests including files with a designated code owner.
+	RequireCodeOwnerReviews bool `json:"require_code_owner_reviews"`
 }
 
 // MarshalJSON implements the json.Marshaler interface.
@@ -581,18 +585,22 @@ func (req PullRequestReviewsEnforcementRequest) MarshalJSON() ([]byte, error) {
 		newReq := struct {
 			R []interface{} `json:"dismissal_restrictions"`
 			D bool          `json:"dismiss_stale_reviews"`
+			O bool          `json:"require_code_owner_reviews"`
 		}{
 			R: []interface{}{},
 			D: req.DismissStaleReviews,
+			O: req.RequireCodeOwnerReviews,
 		}
 		return json.Marshal(newReq)
 	}
 	newReq := struct {
 		R *DismissalRestrictionsRequest `json:"dismissal_restrictions"`
 		D bool                          `json:"dismiss_stale_reviews"`
+		O bool                          `json:"require_code_owner_reviews"`
 	}{
 		R: req.DismissalRestrictionsRequest,
 		D: req.DismissStaleReviews,
+		O: req.RequireCodeOwnerReviews,
 	}
 	return json.Marshal(newReq)
 }
@@ -605,6 +613,8 @@ type PullRequestReviewsEnforcementUpdate struct {
 	DismissalRestrictionsRequest *DismissalRestrictionsRequest `json:"dismissal_restrictions,omitempty"`
 	// Specifies if approved reviews can be dismissed automatically, when a new commit is pushed. Can be omitted.
 	DismissStaleReviews *bool `json:"dismiss_stale_reviews,omitempty"`
+	// RequireCodeOwnerReviews specifies if an approved review is required in pull requests including files with a designated code owner.
+	RequireCodeOwnerReviews bool `json:"require_code_owner_reviews,omitempty"`
 }
 
 // AdminEnforcement represents the configuration to enforce required status checks for repository administrators.
diff --git a/github/repos_test.go b/github/repos_test.go
index 1f7b424f2f7..0f0401ce07d 100644
--- a/github/repos_test.go
+++ b/github/repos_test.go
@@ -518,7 +518,7 @@ func TestRepositoriesService_GetBranchProtection(t *testing.T) {
 
 		testMethod(t, r, "GET")
 		testHeader(t, r, "Accept", mediaTypeProtectedBranchesPreview)
-		fmt.Fprintf(w, `{"required_status_checks":{"strict":true,"contexts":["continuous-integration"]},"required_pull_request_reviews":{"dismissal_restrictions":{"users":[{"id":3,"login":"u"}],"teams":[{"id":4,"slug":"t"}]},"dismiss_stale_reviews":true},"enforce_admins":{"url":"/repos/o/r/branches/b/protection/enforce_admins","enabled":true},"restrictions":{"users":[{"id":1,"login":"u"}],"teams":[{"id":2,"slug":"t"}]}}`)
+		fmt.Fprintf(w, `{"required_status_checks":{"strict":true,"contexts":["continuous-integration"]},"required_pull_request_reviews":{"dismissal_restrictions":{"users":[{"id":3,"login":"u"}],"teams":[{"id":4,"slug":"t"}]},"dismiss_stale_reviews":true,"require_code_owner_reviews":true},"enforce_admins":{"url":"/repos/o/r/branches/b/protection/enforce_admins","enabled":true},"restrictions":{"users":[{"id":1,"login":"u"}],"teams":[{"id":2,"slug":"t"}]}}`)
 	})
 
 	protection, _, err := client.Repositories.GetBranchProtection(context.Background(), "o", "r", "b")
@@ -541,6 +541,7 @@ func TestRepositoriesService_GetBranchProtection(t *testing.T) {
 					{Slug: String("t"), ID: Int(4)},
 				},
 			},
+			RequireCodeOwnerReviews: true,
 		},
 		EnforceAdmins: &AdminEnforcement{
 			URL:     String("/repos/o/r/branches/b/protection/enforce_admins"),
@@ -591,7 +592,7 @@ func TestRepositoriesService_UpdateBranchProtection(t *testing.T) {
 			t.Errorf("Request body = %+v, want %+v", v, input)
 		}
 		testHeader(t, r, "Accept", mediaTypeProtectedBranchesPreview)
-		fmt.Fprintf(w, `{"required_status_checks":{"strict":true,"contexts":["continuous-integration"]},"required_pull_request_reviews":{"dismissal_restrictions":{"users":[{"id":3,"login":"uu"}],"teams":[{"id":4,"slug":"tt"}]},"dismiss_stale_reviews":true},"restrictions":{"users":[{"id":1,"login":"u"}],"teams":[{"id":2,"slug":"t"}]}}`)
+		fmt.Fprintf(w, `{"required_status_checks":{"strict":true,"contexts":["continuous-integration"]},"required_pull_request_reviews":{"dismissal_restrictions":{"users":[{"id":3,"login":"uu"}],"teams":[{"id":4,"slug":"tt"}]},"dismiss_stale_reviews":true,"require_code_owner_reviews":true},"restrictions":{"users":[{"id":1,"login":"u"}],"teams":[{"id":2,"slug":"t"}]}}`)
 	})
 
 	protection, _, err := client.Repositories.UpdateBranchProtection(context.Background(), "o", "r", "b", input)
@@ -614,6 +615,7 @@ func TestRepositoriesService_UpdateBranchProtection(t *testing.T) {
 					{Slug: String("tt"), ID: Int(4)},
 				},
 			},
+			RequireCodeOwnerReviews: true,
 		},
 		Restrictions: &BranchRestrictions{
 			Users: []*User{
@@ -739,7 +741,7 @@ func TestRepositoriesService_GetPullRequestReviewEnforcement(t *testing.T) {
 	mux.HandleFunc("/repos/o/r/branches/b/protection/required_pull_request_reviews", func(w http.ResponseWriter, r *http.Request) {
 		testMethod(t, r, "GET")
 		testHeader(t, r, "Accept", mediaTypeProtectedBranchesPreview)
-		fmt.Fprintf(w, `{"dismissal_restrictions":{"users":[{"id":1,"login":"u"}],"teams":[{"id":2,"slug":"t"}]},"dismiss_stale_reviews":true}`)
+		fmt.Fprintf(w, `{"dismissal_restrictions":{"users":[{"id":1,"login":"u"}],"teams":[{"id":2,"slug":"t"}]},"dismiss_stale_reviews":true,"require_code_owner_reviews":true}`)
 	})
 
 	enforcement, _, err := client.Repositories.GetPullRequestReviewEnforcement(context.Background(), "o", "r", "b")
@@ -757,6 +759,7 @@ func TestRepositoriesService_GetPullRequestReviewEnforcement(t *testing.T) {
 				{Slug: String("t"), ID: Int(2)},
 			},
 		},
+		RequireCodeOwnerReviews: true,
 	}
 
 	if !reflect.DeepEqual(enforcement, want) {
@@ -784,7 +787,7 @@ func TestRepositoriesService_UpdatePullRequestReviewEnforcement(t *testing.T) {
 			t.Errorf("Request body = %+v, want %+v", v, input)
 		}
 		testHeader(t, r, "Accept", mediaTypeProtectedBranchesPreview)
-		fmt.Fprintf(w, `{"dismissal_restrictions":{"users":[{"id":1,"login":"u"}],"teams":[{"id":2,"slug":"t"}]},"dismiss_stale_reviews":true}`)
+		fmt.Fprintf(w, `{"dismissal_restrictions":{"users":[{"id":1,"login":"u"}],"teams":[{"id":2,"slug":"t"}]},"dismiss_stale_reviews":true,"require_code_owner_reviews":true}`)
 	})
 
 	enforcement, _, err := client.Repositories.UpdatePullRequestReviewEnforcement(context.Background(), "o", "r", "b", input)
@@ -802,6 +805,7 @@ func TestRepositoriesService_UpdatePullRequestReviewEnforcement(t *testing.T) {
 				{Slug: String("t"), ID: Int(2)},
 			},
 		},
+		RequireCodeOwnerReviews: true,
 	}
 	if !reflect.DeepEqual(enforcement, want) {
 		t.Errorf("Repositories.UpdatePullRequestReviewEnforcement returned %+v, want %+v", enforcement, want)
@@ -816,7 +820,7 @@ func TestRepositoriesService_DisableDismissalRestrictions(t *testing.T) {
 		testMethod(t, r, "PATCH")
 		testHeader(t, r, "Accept", mediaTypeProtectedBranchesPreview)
 		testBody(t, r, `{"dismissal_restrictions":[]}`+"\n")
-		fmt.Fprintf(w, `{"dismissal_restrictions":{"users":[],"teams":[]},"dismiss_stale_reviews":true}`)
+		fmt.Fprintf(w, `{"dismissal_restrictions":{"users":[],"teams":[]},"dismiss_stale_reviews":true,"require_code_owner_reviews":true}`)
 	})
 
 	enforcement, _, err := client.Repositories.DisableDismissalRestrictions(context.Background(), "o", "r", "b")
@@ -830,6 +834,7 @@ func TestRepositoriesService_DisableDismissalRestrictions(t *testing.T) {
 			Users: []*User{},
 			Teams: []*Team{},
 		},
+		RequireCodeOwnerReviews: true,
 	}
 	if !reflect.DeepEqual(enforcement, want) {
 		t.Errorf("Repositories.DisableDismissalRestrictions returned %+v, want %+v", enforcement, want)
@@ -925,7 +930,7 @@ func TestPullRequestReviewsEnforcementRequest_MarshalJSON_nilDismissalRestirctio
 		t.Errorf("PullRequestReviewsEnforcementRequest.MarshalJSON returned error: %v", err)
 	}
 
-	want := `{"dismissal_restrictions":[],"dismiss_stale_reviews":false}`
+	want := `{"dismissal_restrictions":[],"dismiss_stale_reviews":false,"require_code_owner_reviews":false}`
 	if want != string(json) {
 		t.Errorf("PullRequestReviewsEnforcementRequest.MarshalJSON returned %+v, want %+v", string(json), want)
 	}