diff --git a/pkg/migration/20260607132257.go b/pkg/migration/20260607132257.go
new file mode 100644
index 000000000..f2a7e76b3
--- /dev/null
+++ b/pkg/migration/20260607132257.go
@@ -0,0 +1,55 @@
+// Vikunja is a to-do list application to facilitate your life.
+// Copyright 2018-present Vikunja and contributors. All rights reserved.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package migration
+
+import (
+	"time"
+
+	"src.techknowlogick.com/xormigrate"
+	"xorm.io/xorm"
+)
+
+// Mirrors models.TimeEntry. No partial unique index for the single-active-timer
+// rule — MySQL has no filtered indexes; it's enforced in the model instead.
+type TimeEntry20260607132257 struct {
+	ID        int64      `xorm:"bigint autoincr not null unique pk"`
+	UserID    int64      `xorm:"bigint not null INDEX"`
+	TaskID    int64      `xorm:"bigint null INDEX"`
+	ProjectID int64      `xorm:"bigint null INDEX"`
+	StartTime time.Time  `xorm:"not null INDEX"`
+	EndTime   *time.Time `xorm:"null"`
+	Comment   string     `xorm:"text null"`
+	Created   time.Time  `xorm:"created not null"`
+	Updated   time.Time  `xorm:"updated not null"`
+}
+
+func (TimeEntry20260607132257) TableName() string {
+	return "time_entries"
+}
+
+func init() {
+	migrations = append(migrations, &xormigrate.Migration{
+		ID:          "20260607132257",
+		Description: "Add time_entries table",
+		Migrate: func(tx *xorm.Engine) error {
+			return tx.Sync(TimeEntry20260607132257{})
+		},
+		Rollback: func(tx *xorm.Engine) error {
+			return tx.DropTables(TimeEntry20260607132257{})
+		},
+	})
+}