diff --git a/tools/upgrade-miaou-bash b/tools/upgrade-miaou-bash
index a9ce09d..ce26e20 100755
--- a/tools/upgrade-miaou-bash
+++ b/tools/upgrade-miaou-bash
@@ -2,17 +2,31 @@
 
 set -Eeuo pipefail
 
-if [[ -d /opt/miaou-bash ]]; then
-    local_release=$(cat /opt/miaou-bash/.semver_git_tag)
-fi
+if [[ $(stat -c %u /opt/miaou-bash) -eq 0 ]]; then
+
+    if [[ -d /opt/miaou-bash ]]; then
+        local_release=$(cat /opt/miaou-bash/.semver_git_tag)
+    fi
 
-echo -n "miaou-bash: collecting latest release from server url ... "
-remote_release=$(wget_semver artcode miaou/miaou-bash)
-echo -n "$remote_release"
+    echo -n "miaou-bash: collecting latest release from server url ... "
+    remote_release=$(wget_semver artcode miaou/miaou-bash)
+    echo -n "$remote_release"
 
-if [[ $local_release != $remote_release ]]; then
-    echo " , upgrading from <$local_release> to <$remote_release> ..."
-    curl --no-progress-meter https://git.artcode.re/miaou/miaou-bash/raw/branch/main/install.sh | sudo bash -s
+    if [[ $local_release != $remote_release ]]; then
+        echo " , upgrading from <$local_release> to <$remote_release> ..."
+        curl --no-progress-meter https://git.artcode.re/miaou/miaou-bash/raw/branch/main/install.sh | sudo bash -s
+    else
+        echo " up-to-date!"
+    fi
 else
-    echo " up-to-date!"
+    echo DEVELOPMENT MODE detected!
+    if [[ $(stat -c %u /opt/miaou-bash) -eq $(id -u) ]]; then
+        cd /opt/miaou-bash
+        git pull
+        cd -
+        echo "git refreshed"
+    else
+        echo "please, ask user <$(stat -c %U /opt/miaou-bash)> to perform a git refresh!"
+        exit 1
+    fi
 fi