diff --git a/install.sh b/install.sh
index 784ac66..51a51ff 100755
--- a/install.sh
+++ b/install.sh
@@ -1,8 +1,6 @@
 #!/bin/bash
 
 CURDIR=$PWD
-# shellcheck disable=SC1091
-# REQUIRED_PKGS=(jq rsync file git)
 REQUIRED_PKGS=(file git)
 
 function usage() {
@@ -72,7 +70,7 @@ function install_containers() {
 
     # install inside active LXC containers
     if [[ -f '/snap/bin/lxc' ]]; then
-        for container in $(/snap/bin/lxc list --format=json | /bin/jq -r '.[] | select(.state.status == "Running") | .name'); do
+        for container in $(/snap/bin/lxc list --format=json | yq '.[] | select(.state.status == "Running") | .name' -); do
             install_one_container $container
             echo
         done
diff --git a/tools/debian_bash_upgrade b/tools/debian_bash_upgrade
index 0e139a7..faac223 100755
--- a/tools/debian_bash_upgrade
+++ b/tools/debian_bash_upgrade
@@ -5,7 +5,7 @@ if [[ -d /opt/debian-bash ]]; then
 fi
 remote_release=$(wget_semver artcode pvincent/debian-bash)
 
-if [[ $local_release != $remote_release ]];then
+if [[ $local_release != $remote_release ]]; then
     echo "upgrading from <$local_release> to <$remote_release> ..."
     curl https://git.artcode.re/pvincent/debian-bash/raw/master/install.sh | sudo bash -s -- --full
 else
@@ -14,9 +14,9 @@ else
     # install inside active LXC containers
     if [[ -f '/snap/bin/lxc' ]]; then
         echo "refreshing containers ..."
-        for container in `lxc list --format=json | jq -r '.[] | select(.state.status == "Running") | .name'`; do
+        for container in $(lxc list --format=json | yq '.[] | select(.state.status == "Running") | .name' -); do
             container_release=$(lxc exec $container -- cat /opt/debian-bash/.semver_git_tag)
-            if [[ $container_release != $remote_release ]];then
+            if [[ $container_release != $remote_release ]]; then
                 echo "upgrade container <$container> from <$container_release> to <$remote_release>"
                 /snap/bin/lxc file push /opt/debian-bash "${container}/opt/" -r
             else
@@ -25,4 +25,4 @@ else
         done
     fi
 
-fi
\ No newline at end of file
+fi
diff --git a/tools/semver_git_tag b/tools/semver_git_tag
index a78319e..77b371f 100755
--- a/tools/semver_git_tag
+++ b/tools/semver_git_tag
@@ -1,6 +1,5 @@
 #!/bin/bash
 
-
 function usage() {
 	echo 'usage: --major | -M | --minor | -m | --patch | -p'
 	exit 1
@@ -34,8 +33,6 @@ function setCommand() {
 
 ############# main
 
-
-
 # check git covered
 REPOSITORY=$(git config --get remote.origin.url)
 if [[ "$?" -ne 0 ]]; then
@@ -131,13 +128,13 @@ GIT_ROOT_FOLDER=$(dirname $(git rev-parse --git-dir))
 if [[ -f "${GIT_ROOT_FOLDER}/package.json" ]]; then
 
 	echo "package.json detected, version replaced with new tag <${TAG}>"
-	if ! command -v jq &>/dev/null; then
-		echo 'command <jq> not found, hint: `sudo apt install jq`'
+	if ! command -v yq &>/dev/null; then
+		echo 'command <yq> not found, hint: go and fetch latest release from https://github.com/mikefarah/yq'
 		exit 5
 	fi
 
 	tmp=$(mktemp)
-	jq '.version  = $TAG' --arg TAG $TAG "${GIT_ROOT_FOLDER}/package.json" >"$tmp" && mv "$tmp" "${GIT_ROOT_FOLDER}/package.json"
+	yq ".version  = $TAG" "${GIT_ROOT_FOLDER}/package.json" >"$tmp" && mv "$tmp" "${GIT_ROOT_FOLDER}/package.json"
 
 fi