diff --git a/CI/build/conf/cores_config.json b/CI/build/conf/cores_config.json
index b5c4fc0257..00c86968d8 100644
--- a/CI/build/conf/cores_config.json
+++ b/CI/build/conf/cores_config.json
@@ -627,6 +627,8 @@
             "GENERIC_L051C6TX",
             "GENERIC_L051C6UX",
             "GENERIC_L051C8TX",
+            "GENERIC_L051K6TX",
+            "GENERIC_L051K6UX",
             "GENERIC_L052C6TX",
             "GENERIC_L052C6UX",
             "GENERIC_L052C8TX",
diff --git a/CI/build/conf/cores_config_ci.json b/CI/build/conf/cores_config_ci.json
index 641461058e..dfb3b21987 100644
--- a/CI/build/conf/cores_config_ci.json
+++ b/CI/build/conf/cores_config_ci.json
@@ -627,6 +627,8 @@
             "GENERIC_L051C6TX",
             "GENERIC_L051C6UX",
             "GENERIC_L051C8TX",
+            "GENERIC_L051K6TX",
+            "GENERIC_L051K6UX",
             "GENERIC_L052C6TX",
             "GENERIC_L052C6UX",
             "GENERIC_L052C8TX",