diff --git a/ci/meta-zephyr.yml b/ci/meta-zephyr.yml
index 2f23f2bc..20d54649 100644
--- a/ci/meta-zephyr.yml
+++ b/ci/meta-zephyr.yml
@@ -6,4 +6,5 @@ header:
 repos:
   meta-zephyr:
     url: https://git.yoctoproject.org/git/meta-zephyr
-    refspec: master
+    layers:
+      meta-zephyr-core:
diff --git a/ci/qemu-cortex-m3.yml b/ci/qemu-cortex-m3.yml
index ab6d5c73..d9b197cb 100644
--- a/ci/qemu-cortex-m3.yml
+++ b/ci/qemu-cortex-m3.yml
@@ -4,6 +4,11 @@ header:
     - ci/base.yml
     - ci/meta-zephyr.yml
 
+repos:
+  meta-zephyr:
+    layers:
+      meta-zephyr-bsp:
+
 local_conf_header:
   tclibc: |
     TCLIBC = "newlib"