diff --git a/meta-security/meta-hardening/conf/layer.conf b/meta-security/meta-hardening/conf/layer.conf
index 5983161..a150085 100644
--- a/meta-security/meta-hardening/conf/layer.conf
+++ b/meta-security/meta-hardening/conf/layer.conf
@@ -8,6 +8,6 @@
 BBFILE_PATTERN_harden-layer = "^${LAYERDIR}/"
 BBFILE_PRIORITY_harden-layer = "10"
 
-LAYERSERIES_COMPAT_harden-layer = "kirkstone langdale"
+LAYERSERIES_COMPAT_harden-layer = "langdale mickledore"
 
 LAYERDEPENDS_harden-layer = "core openembedded-layer"