diff --git a/scripts/upgrade b/scripts/upgrade
index 03e870e..86ba36d 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -126,8 +126,9 @@ then
   # Create a temporary directory
   tmpdir="$(mktemp -d)"
 
-  # Backup the config file in the temp dir
+  # Backup the config file and local plugins in the temp dir
   cp -a "$final_path/config/config.json" "$tmpdir/config.json"
+  cp -ar "$final_path/plugins" "$tmpdir/plugins"
 
   # Remove the app directory securely
   ynh_secure_remove --file="$final_path"
@@ -138,8 +139,9 @@ then
     ynh_setup_source --dest_dir="$final_path" --source_id="$architecture"
   fi
 
-  # Copy the admin saved settings from tmp directory to final path  
+  # Copy the admin saved settings and plugins from tmp directory to final path
   cp -a "$tmpdir/config.json" "$final_path/config/config.json" 
+  cp -ar --no-clobber "$tmpdir/plugins" "$final_path/"
 
   # Remove the tmp directory securely
   ynh_secure_remove --file="$tmpdir"