diff --git a/group_serviceaccounts.go b/group_serviceaccounts.go
index 4acb0b180..3ccb41b5e 100644
--- a/group_serviceaccounts.go
+++ b/group_serviceaccounts.go
@@ -62,8 +62,9 @@ func (s *GroupsService) CreateServiceAccount(gid interface{}, options ...Request
 // GitLab API docs:
 // https://docs.gitlab.com/ee/api/groups.html#create-personal-access-token-for-service-account-user
 type CreateServiceAccountPersonalAccessTokenOptions struct {
-	Scopes *[]string `url:"scopes,omitempty" json:"scopes,omitempty"`
-	Name   *string   `url:"name,omitempty" json:"name,omitempty"`
+	Scopes    *[]string `url:"scopes,omitempty" json:"scopes,omitempty"`
+	Name      *string   `url:"name,omitempty" json:"name,omitempty"`
+	ExpiresAt *ISOTime  `url:"expires_at,omitempty" json:"expires_at,omitempty"`
 }
 
 // CreateServiceAccountPersonalAccessToken add a new Personal Access Token for a
diff --git a/group_serviceaccounts_test.go b/group_serviceaccounts_test.go
index e4793f610..b878c8eba 100644
--- a/group_serviceaccounts_test.go
+++ b/group_serviceaccounts_test.go
@@ -22,6 +22,8 @@ import (
 	"reflect"
 	"testing"
 	"time"
+
+	"github.com/stretchr/testify/require"
 )
 
 func TestCreateServiceAccount(t *testing.T) {
@@ -72,9 +74,14 @@ func TestCreateServiceAccountPersonalAccessToken(t *testing.T) {
       	"token":"random_token"
       }`)
 	})
+
+	expireTime, err := ParseISOTime("2024-06-12")
+	require.NoError(t, err)
+
 	options := &CreateServiceAccountPersonalAccessTokenOptions{
-		Scopes: Ptr([]string{"api"}),
-		Name:   Ptr("service_account_token"),
+		Scopes:    Ptr([]string{"api"}),
+		Name:      Ptr("service_account_token"),
+		ExpiresAt: Ptr(expireTime),
 	}
 	pat, _, err := client.Groups.CreateServiceAccountPersonalAccessToken(1, 57, options)
 	if err != nil {