diff --git a/base/watchdog/debian/dl_hook b/base/watchdog/debian/dl_hook
index 97309ce07..54ae956a4 100755
--- a/base/watchdog/debian/dl_hook
+++ b/base/watchdog/debian/dl_hook
@@ -2,20 +2,23 @@
 
 LOCAL_DIR=$1
 PKGNAME=watchdog
-BASE_DIR=${STX_GIT_SRC_DIR}
-PKG_DIR=${BASE_DIR}/meta-lat/data/debian/${PKGNAME}
+META_LAT_TARBALL=meta-lat.tar.gz
+META_LAT=meta-lat
+
+mkdir -p ${META_LAT}
+tar xzvf ${META_LAT_TARBALL} --strip-components 1 -C ${META_LAT}
+
+BASE_DIR=$(realpath ${META_LAT})
+PKG_DIR=${BASE_DIR}/data/debian/${PKGNAME}
 META_DIR=${PKG_DIR}/metadata_patches
 SRC_DIR=${PKG_DIR}/sources
-BASE_URL=https://snapshot.debian.org/archive/debian/20200424T151944Z/pool/main/w/${PKGNAME}
+
 MAJOR_VER="5.16"
 REVISION="1"
 VER=${MAJOR_VER}-${REVISION}
 DSC_FILE=${PKGNAME}_${VER}.dsc
-dget -x ${BASE_URL}/${DSC_FILE}
-if [ $? != 0 ]; then
-	echo "Fail to download ${BASE_URL}/${DSC_FILE}"
-	exit -1
-fi
+
+dpkg-source -x ${DSC_FILE}
 cd ${LOCAL_DIR}
 for patch in $(ls ${META_DIR}/*.patch); do
 	patch -p1 < $patch || exit 1
diff --git a/base/watchdog/debian/meta_data.yaml b/base/watchdog/debian/meta_data.yaml
index d530e4fea..1ce043b38 100644
--- a/base/watchdog/debian/meta_data.yaml
+++ b/base/watchdog/debian/meta_data.yaml
@@ -1,6 +1,12 @@
 ---
 debver: 5.16-1
 dl_hook: dl_hook
+archive: https://snapshot.debian.org/archive/debian/20200424T151944Z/pool/main/w/watchdog
+dl_files:
+  meta-lat.tar.gz:
+    topdir: null
+    url: https://github.com/Wind-River/meta-lat/archive/refs/tags/20211214.tar.gz
+    md5sum: 38103be48cc97171c0a0a3ecd6713ffe
 revision:
   dist: $STX_DIST
   PKG_GITREVCOUNT: true
diff --git a/ostree/initramfs-ostree/debian/dl_hook b/ostree/initramfs-ostree/debian/dl_hook
index 2490b5454..b70d6b1b4 100755
--- a/ostree/initramfs-ostree/debian/dl_hook
+++ b/ostree/initramfs-ostree/debian/dl_hook
@@ -1,9 +1,15 @@
 #!/bin/bash
-set -x
+
 LOCAL_DIR=$1
 PKGNAME=initramfs-ostree
-BASE_DIR=$STX_GIT_SRC_DIR/meta-lat/data/debian
-SRC_DIR=$BASE_DIR/$PKGNAME/sources
-DEB_DIR=$BASE_DIR/$PKGNAME/metadata/debian
-cp -Lr $SRC_DIR $LOCAL_DIR
-cp -Lr $DEB_DIR $LOCAL_DIR
+META_LAT_TARBALL=meta-lat.tar.gz
+META_LAT=meta-lat
+
+mkdir -p ${META_LAT}
+tar xzvf ${META_LAT_TARBALL} --strip-components 1 -C ${META_LAT}
+
+BASE_DIR=$(realpath ${META_LAT})
+SRC_DIR=${BASE_DIR}/data/debian/${PKGNAME}/sources
+DEB_DIR=${BASE_DIR}/data/debian/${PKGNAME}/metadata/debian
+cp -Lr ${SRC_DIR} ${LOCAL_DIR}
+cp -Lr ${DEB_DIR} ${LOCAL_DIR}
diff --git a/ostree/initramfs-ostree/debian/meta_data.yaml b/ostree/initramfs-ostree/debian/meta_data.yaml
index fdd626633..e7350ed93 100644
--- a/ostree/initramfs-ostree/debian/meta_data.yaml
+++ b/ostree/initramfs-ostree/debian/meta_data.yaml
@@ -1,6 +1,11 @@
 ---
 debver: 1.0
 dl_hook: dl_hook
+dl_files:
+  meta-lat.tar.gz:
+    topdir: null
+    url: https://github.com/Wind-River/meta-lat/archive/refs/tags/20211214.tar.gz
+    md5sum: 38103be48cc97171c0a0a3ecd6713ffe
 revision:
   dist: $STX_DIST
   PKG_GITREVCOUNT: true
diff --git a/ostree/mttyexec/debian/dl_hook b/ostree/mttyexec/debian/dl_hook
index 8bc3f5018..ec9bfb79c 100755
--- a/ostree/mttyexec/debian/dl_hook
+++ b/ostree/mttyexec/debian/dl_hook
@@ -2,8 +2,14 @@
 
 LOCAL_DIR=$1
 PKGNAME=mttyexec
-BASE_DIR=$STX_GIT_SRC_DIR/meta-lat/data/debian
-SRC_DIR=$BASE_DIR/$PKGNAME/sources
-DEB_DIR=$BASE_DIR/$PKGNAME/metadata/debian
-cp -Lr $SRC_DIR $LOCAL_DIR
-cp -Lr $DEB_DIR $LOCAL_DIR
+META_LAT_TARBALL=meta-lat.tar.gz
+META_LAT=meta-lat
+
+mkdir -p ${META_LAT}
+tar xzvf ${META_LAT_TARBALL} --strip-components 1 -C ${META_LAT}
+
+BASE_DIR=$(realpath ${META_LAT})
+SRC_DIR=${BASE_DIR}/data/debian/${PKGNAME}/sources
+DEB_DIR=${BASE_DIR}/data/debian/${PKGNAME}/metadata/debian
+cp -Lr ${SRC_DIR} ${LOCAL_DIR}
+cp -Lr ${DEB_DIR} ${LOCAL_DIR}
diff --git a/ostree/mttyexec/debian/meta_data.yaml b/ostree/mttyexec/debian/meta_data.yaml
index 0582662de..811594ff0 100644
--- a/ostree/mttyexec/debian/meta_data.yaml
+++ b/ostree/mttyexec/debian/meta_data.yaml
@@ -1,6 +1,11 @@
 ---
 debver: 0.1
 dl_hook: dl_hook
+dl_files:
+  meta-lat.tar.gz:
+    topdir: null
+    url: https://github.com/Wind-River/meta-lat/archive/refs/tags/20211214.tar.gz
+    md5sum: 38103be48cc97171c0a0a3ecd6713ffe
 revision:
   dist: $STX_DIST
   PKG_GITREVCOUNT: true
diff --git a/ostree/ostree-upgrade-mgr/debian/dl_hook b/ostree/ostree-upgrade-mgr/debian/dl_hook
index 67ad52866..71fa280cd 100755
--- a/ostree/ostree-upgrade-mgr/debian/dl_hook
+++ b/ostree/ostree-upgrade-mgr/debian/dl_hook
@@ -2,8 +2,14 @@
 
 LOCAL_DIR=$1
 PKGNAME=ostree-upgrade-mgr
-BASE_DIR=$STX_GIT_SRC_DIR/meta-lat/data/debian
-SRC_DIR=$BASE_DIR/$PKGNAME/sources
-DEB_DIR=$BASE_DIR/$PKGNAME/metadata/debian
-cp -Lr $SRC_DIR $LOCAL_DIR
-cp -Lr $DEB_DIR $LOCAL_DIR
+META_LAT_TARBALL=meta-lat.tar.gz
+META_LAT=meta-lat
+
+mkdir -p ${META_LAT}
+tar xzvf ${META_LAT_TARBALL} --strip-components 1 -C ${META_LAT}
+
+BASE_DIR=$(realpath ${META_LAT})
+SRC_DIR=${BASE_DIR}/data/debian/${PKGNAME}/sources
+DEB_DIR=${BASE_DIR}/data/debian/${PKGNAME}/metadata/debian
+cp -Lr ${SRC_DIR} ${LOCAL_DIR}
+cp -Lr ${DEB_DIR} ${LOCAL_DIR}
diff --git a/ostree/ostree-upgrade-mgr/debian/meta_data.yaml b/ostree/ostree-upgrade-mgr/debian/meta_data.yaml
index fdd626633..e7350ed93 100644
--- a/ostree/ostree-upgrade-mgr/debian/meta_data.yaml
+++ b/ostree/ostree-upgrade-mgr/debian/meta_data.yaml
@@ -1,6 +1,11 @@
 ---
 debver: 1.0
 dl_hook: dl_hook
+dl_files:
+  meta-lat.tar.gz:
+    topdir: null
+    url: https://github.com/Wind-River/meta-lat/archive/refs/tags/20211214.tar.gz
+    md5sum: 38103be48cc97171c0a0a3ecd6713ffe
 revision:
   dist: $STX_DIST
   PKG_GITREVCOUNT: true
diff --git a/ostree/ostree/debian/dl_hook b/ostree/ostree/debian/dl_hook
index d8fdfc64f..f244d23b3 100755
--- a/ostree/ostree/debian/dl_hook
+++ b/ostree/ostree/debian/dl_hook
@@ -1,13 +1,22 @@
 #!/bin/bash
 
-LOCAL_DIR=$1
 PKGNAME=ostree
-BASE_DIR=$STX_GIT_SRC_DIR/
-SRC_DIR=$BASE_DIR/$PKGNAME
-META_DIR=$BASE_DIR/meta-lat/data/debian/$PKGNAME/metadata_patches
-PATCHES_DIR=$BASE_DIR/meta-lat/data/debian/$PKGNAME/source_patches
-cp -Lr $SRC_DIR $LOCAL_DIR
-cd $LOCAL_DIR
+META_LAT_TARBALL=meta-lat.tar.gz
+META_LAT=meta-lat
+OSTREE_TARBALL=ostree.tar.gz
+OSTREE=$1
+
+mkdir -p ${META_LAT}
+tar xzvf ${META_LAT_TARBALL} --strip-components 1 -C ${META_LAT}
+mkdir -p ${OSTREE}
+tar xzvf ${OSTREE_TARBALL} --strip-components 1 -C ${OSTREE}
+
+BASE_DIR=$(realpath ${META_LAT})
+SRC_DIR=$(realpath ${OSTREE})
+META_DIR=${BASE_DIR}/data/debian/${PKGNAME}/metadata_patches
+PATCHES_DIR=${BASE_DIR}/data/debian/${PKGNAME}/source_patches
+
+cd ${SRC_DIR}
 for patch in `ls ${META_DIR}/*.patch`; do
 	patch -p1 < $patch || exit 1
 done
diff --git a/ostree/ostree/debian/meta_data.yaml b/ostree/ostree/debian/meta_data.yaml
index 1e5e9efbb..0fc4d6690 100644
--- a/ostree/ostree/debian/meta_data.yaml
+++ b/ostree/ostree/debian/meta_data.yaml
@@ -1,3 +1,12 @@
 ---
 debver: 2019.1-1
+dl_files:
+  meta-lat.tar.gz:
+    topdir: null
+    url: https://github.com/Wind-River/meta-lat/archive/refs/tags/20211214.tar.gz
+    md5sum: 38103be48cc97171c0a0a3ecd6713ffe
+  ostree.tar.gz:
+    topdir: null
+    url: https://salsa.debian.org/debian/ostree/-/archive/debian/2019.1-1/ostree-debian-2019.1-1.tar.gz
+    md5sum: 31b095f28ceb6278964f69198d3e8a03
 dl_hook: dl_hook