diff --git a/recipes-kernel/linux/linux-intel-rt_5.15.bb b/recipes-kernel/linux/linux-intel-rt_5.15.bb
index b6e0e3e4..eb870845 100644
--- a/recipes-kernel/linux/linux-intel-rt_5.15.bb
+++ b/recipes-kernel/linux/linux-intel-rt_5.15.bb
@@ -33,3 +33,5 @@ LINUX_KERNEL_TYPE = "preempt-rt"
 # It drops 'CONFIG_FB_BOOT_VESA_SUPPORT' config option which would result in a warning with 5.15 y-k-c.
 # Suppress the harmless warning for now.
 KCONF_BSP_AUDIT_LEVEL = "0"
+
+UPSTREAM_CHECK_GITTAGREGEX = "^lts-(?P<pver>v5.15.(\d+)-rt(\d+)-preempt-rt-(\d+)T(\d+)Z)$"
diff --git a/recipes-kernel/linux/linux-intel_5.15.bb b/recipes-kernel/linux/linux-intel_5.15.bb
index 644ae0d1..50046756 100644
--- a/recipes-kernel/linux/linux-intel_5.15.bb
+++ b/recipes-kernel/linux/linux-intel_5.15.bb
@@ -25,3 +25,5 @@ KERNEL_EXTRA_FEATURES ?= "features/netfilter/netfilter.scc features/security/sec
 # It drops 'CONFIG_FB_BOOT_VESA_SUPPORT' config option which would result in a warning with 5.15 y-k-c.
 # Suppress the harmless warning for now.
 KCONF_BSP_AUDIT_LEVEL = "0"
+
+UPSTREAM_CHECK_GITTAGREGEX = "^lts-(?P<pver>v5.15.(\d+)-linux-(\d+)T(\d+)Z)$"