Fortress of the Muslim (Hisn al-Muslim)
حصن المسلم
(4) Chapter: To someone wearing a new garment
(4) الدعاء لمن لبس ثوباً جديداً
Hisn al-Muslim 7 
Tublī wa yukhliful-lāhu ta`ālā. May Allah replace it when it is worn out. Reference: Abu Dawud 4/41. See also Al-Albani Sahih Abu Dawud 2/760.
تُبْـلي وَيُـخْلِفُ اللهُ تَعَالى
Reference : Hisn al-Muslim 7