diff --git a/meta-arago-demos/README b/meta-arago-demos/README
index bb586c14..2649a90e 100644
--- a/meta-arago-demos/README
+++ b/meta-arago-demos/README
@@ -1,30 +1,30 @@
 meta-arago-demos provides demo applications to showcase in TI SDK products
 
-This layer works with the latest Yocto Project release (currently 2.2+) and tracks
-the stable/maintenance branches (currently "master") of the corresponding layers:
+This layer works with the latest Yocto Project release (currently 4.0) and tracks
+the stable/maintenance branches (currently "kirkstone") of the corresponding layers:
 
 URI: git://git.openembedded.org/openembedded-core
-branch: master
+branch: kirkstone
 revision: HEAD
 layers: meta
 
 URI: git://git.yoctoproject.org/meta-ti
-branch: master
+branch: kirkstone
 revision: HEAD
 layers: meta-ti-bsp, meta-ti-extras
 
 URI: git://git.yoctoproject.org/meta-arm
-branch: master
+branch: kirkstone
 revision: HEAD
 layers: meta-arm, meta-arm-toolchain
 
 URI: git://git.openembedded.org/meta-openembedded
-branch: master
+branch: kirkstone
 revision: HEAD
 layers: meta-oe, meta-networking, meta-python
 
 URI: https://github.com/meta-qt5/meta-qt5
-branch: master
+branch: kirkstone
 revision: HEAD
 
 Send pull requests to meta-arago@lists.yoctoproject.org
diff --git a/meta-arago-distro/README b/meta-arago-distro/README
index 49e9d9e1..063e0a78 100644
--- a/meta-arago-distro/README
+++ b/meta-arago-distro/README
@@ -1,34 +1,34 @@
 meta-arago-distro provides Arago distribution configuration for TI SDK products
 
-This layer works with the latest Yocto Project release (currently 2.2+) and tracks
-the stable/maintenance branches (currently "master") of the corresponding layers:
+This layer works with the latest Yocto Project release (currently 4.0) and tracks
+the stable/maintenance branches (currently "kirkstone") of the corresponding layers:
 
 URI: git://git.openembedded.org/openembedded-core
-branch: master
+branch: kirkstone
 revision: HEAD
 layers: meta
 
 URI: git://git.yoctoproject.org/meta-ti
-branch: master
+branch: kirkstone
 revision: HEAD
 layers: meta-ti-bsp, meta-ti-extras
 
 URI: git://git.yoctoproject.org/meta-arm
-branch: master
+branch: kirkstone
 revision: HEAD
 layers: meta-arm, meta-arm-toolchain
 
 URI: git://git.openembedded.org/meta-openembedded
-branch: master
+branch: kirkstone
 revision: HEAD
 layers: meta-oe, meta-networking, meta-python
 
 URI: https://github.com/meta-qt5/meta-qt5
-branch: master
+branch: kirkstone
 revision: HEAD
 
 URI: git://git.yoctoproject.org/meta-arago
-branch: master
+branch: kirkstone
 revision: HEAD
 layers: meta-arago-extras
 
diff --git a/meta-arago-extras/README b/meta-arago-extras/README
index 5b6e8a15..bf6beb36 100644
--- a/meta-arago-extras/README
+++ b/meta-arago-extras/README
@@ -1,30 +1,30 @@
 meta-arago-extras provides additional TI SDK applications that are distro-agnostic
 
-This layer works with the latest Yocto Project release (currently 2.2+) and tracks
-the stable/maintenance branches (currently "master") of the corresponding layers:
+This layer works with the latest Yocto Project release (currently 4.0) and tracks
+the stable/maintenance branches (currently "kirkstone") of the corresponding layers:
 
 URI: git://git.openembedded.org/openembedded-core
-branch: master
+branch: kirkstone
 revision: HEAD
 layers: meta
 
 URI: git://git.yoctoproject.org/meta-ti
-branch: master
+branch: kirkstone
 revision: HEAD
 layers: meta-ti-bsp, meta-ti-extras
 
 URI: git://git.yoctoproject.org/meta-arm
-branch: master
+branch: kirkstone
 revision: HEAD
 layers: meta-arm, meta-arm-toolchain
 
 URI: git://git.openembedded.org/meta-openembedded
-branch: master
+branch: kirkstone
 revision: HEAD
 layers: meta-oe, meta-networking, meta-python
 
 URI: https://github.com/meta-qt5/meta-qt5
-branch: master
+branch: kirkstone
 revision: HEAD
 
 Send pull requests to meta-arago@lists.yoctoproject.org
diff --git a/meta-arago-test/README b/meta-arago-test/README
index 8f1f9993..a05cadc0 100644
--- a/meta-arago-test/README
+++ b/meta-arago-test/README
@@ -1,25 +1,25 @@
 meta-arago-test provides an additional packagegroup ti-test and some of the recipes that go into that group
 
-This layer works with the latest Yocto Project release (currently 2.2+) and tracks
-the stable/maintenance branches (currently "master") of the corresponding layers:
+This layer works with the latest Yocto Project release (currently 4.0) and tracks
+the stable/maintenance branches (currently "kirkstone") of the corresponding layers:
 
 URI: git://git.openembedded.org/openembedded-core
-branch: master
+branch: kirkstone
 revision: HEAD
 layers: meta
 
 URI: git://git.yoctoproject.org/meta-ti
-branch: master
+branch: kirkstone
 revision: HEAD
 layers: meta-ti-bsp, meta-ti-extras
 
 URI: git://git.yoctoproject.org/meta-arm
-branch: master
+branch: kirkstone
 revision: HEAD
 layers: meta-arm, meta-arm-toolchain
 
 URI: git://git.openembedded.org/meta-openembedded
-branch: master
+branch: kirkstone
 revision: HEAD
 layers: meta-oe, meta-networking, meta-python