diff --git a/github/repos_environments.go b/github/repos_environments.go
index 5e892e5f59c..1f1d5b56e33 100644
--- a/github/repos_environments.go
+++ b/github/repos_environments.go
@@ -101,10 +101,17 @@ func (r *RequiredReviewer) UnmarshalJSON(data []byte) error {
 			return err
 		}
 		r.Reviewer = reviewer.Reviewer
+	case "BusinessTeam": // BusinessTeam is the type returned for Enterprise Teams, but we will treat it as a Team type
+		reviewer.Reviewer = &Team{}
+		if err := json.Unmarshal(data, &reviewer); err != nil {
+			return err
+		}
+		r.Type = Ptr("Team") // Change the type to "Team" for compatibility
+		r.Reviewer = reviewer.Reviewer
 	default:
 		r.Type = nil
 		r.Reviewer = nil
-		return fmt.Errorf("reviewer.Type is %T, not a string of 'User' or 'Team', unable to unmarshal", reviewer.Type)
+		return fmt.Errorf("reviewer.Type is %T, not a string of 'User', 'Team' or 'BusinessTeam', unable to unmarshal", reviewer.Type)
 	}
 
 	return nil
diff --git a/github/repos_environments_test.go b/github/repos_environments_test.go
index 2dddb226bad..ecd2481c5b1 100644
--- a/github/repos_environments_test.go
+++ b/github/repos_environments_test.go
@@ -31,6 +31,11 @@ func TestRequiredReviewer_UnmarshalJSON(t *testing.T) {
 			wantRule:  []*RequiredReviewer{{Type: Ptr("Team"), Reviewer: &Team{ID: Ptr(int64(1)), Name: Ptr("Justice League")}}},
 			wantError: false,
 		},
+		"Enterprise Team Reviewer": {
+			data:      []byte(`[{"type": "BusinessTeam", "reviewer": {"id": 1, "name": "Justice League"}}]`),
+			wantRule:  []*RequiredReviewer{{Type: Ptr("Team"), Reviewer: &Team{ID: Ptr(int64(1)), Name: Ptr("Justice League")}}},
+			wantError: false,
+		},
 		"Both Types Reviewer": {
 			data:      []byte(`[{"type": "User", "reviewer": {"id": 1,"login": "octocat"}},{"type": "Team", "reviewer": {"id": 1, "name": "Justice League"}}]`),
 			wantRule:  []*RequiredReviewer{{Type: Ptr("User"), Reviewer: &User{ID: Ptr(int64(1)), Login: Ptr("octocat")}}, {Type: Ptr("Team"), Reviewer: &Team{ID: Ptr(int64(1)), Name: Ptr("Justice League")}}},