diff --git a/tasks/node_rm.rb b/tasks/node_rm.rb
old mode 100644
new mode 100755
diff --git a/tasks/node_update.rb b/tasks/node_update.rb
old mode 100644
new mode 100755
diff --git a/tasks/service_scale.rb b/tasks/service_scale.rb
old mode 100644
new mode 100755