diff --git a/meta-zephyr-bsp/conf/layer.conf b/meta-zephyr-bsp/conf/layer.conf
index 507374f..cbbaafe 100644
--- a/meta-zephyr-bsp/conf/layer.conf
+++ b/meta-zephyr-bsp/conf/layer.conf
@@ -15,6 +15,6 @@ LAYERVERSION_zephyrbsp = "1"
 
 LAYERDEPENDS_zephyrbsp = "zephyrcore core meta-python"
 
-LAYERSERIES_COMPAT_zephyrbsp = "dunfell gatesgarth hardknott honister kirkstone"
+LAYERSERIES_COMPAT_zephyrbsp = "dunfell gatesgarth hardknott honister kirkstone langdale"
 
-X86_TUNE_DIR = "${@bb.utils.contains_any('LAYERSERIES_CORENAMES', 'honister kirkstone', 'include/x86', 'include', d)}"
+X86_TUNE_DIR = "${@bb.utils.contains_any('LAYERSERIES_CORENAMES', 'honister kirkstone langdale', 'include/x86', 'include', d)}"
diff --git a/meta-zephyr-core/conf/layer.conf b/meta-zephyr-core/conf/layer.conf
index 20c8fdf..3d1e57b 100644
--- a/meta-zephyr-core/conf/layer.conf
+++ b/meta-zephyr-core/conf/layer.conf
@@ -15,8 +15,8 @@ LAYERVERSION_zephyrcore = "1"
 
 LAYERDEPENDS_zephyrcore = "core meta-python"
 
-LAYERSERIES_COMPAT_zephyrcore = "dunfell gatesgarth hardknott honister kirkstone"
+LAYERSERIES_COMPAT_zephyrcore = "dunfell gatesgarth hardknott honister kirkstone langdale"
 
-X86_TUNE_DIR = "${@bb.utils.contains_any('LAYERSERIES_CORENAMES', 'honister kirkstone', 'include/x86', 'include', d)}"
+X86_TUNE_DIR = "${@bb.utils.contains_any('LAYERSERIES_CORENAMES', 'honister kirkstone langdale', 'include/x86', 'include', d)}"
 
 PYTHON3_NATIVE_SITEPACKAGES_DIR = "${libdir_native}/${PYTHON3_DIR}/site-packages"