diff --git a/db845c.mk b/db845c.mk
index b2dd524..dd5dfb0 100644
--- a/db845c.mk
+++ b/db845c.mk
@@ -1,5 +1,5 @@
 ifndef TARGET_KERNEL_USE
-TARGET_KERNEL_USE := 5.10
+TARGET_KERNEL_USE := 5.15
 endif
 DB845C_KERNEL_DIR ?= device/linaro/dragonboard-kernel/android-$(TARGET_KERNEL_USE)
 
diff --git a/rb5.mk b/rb5.mk
index dc70674..2cda9b0 100644
--- a/rb5.mk
+++ b/rb5.mk
@@ -1,5 +1,5 @@
 ifndef TARGET_KERNEL_USE
-TARGET_KERNEL_USE := mainline
+TARGET_KERNEL_USE := 5.15
 endif
 RB5_KERNEL_DIR := device/linaro/dragonboard-kernel/android-$(TARGET_KERNEL_USE)