diff --git a/tasks/main.yml b/tasks/main.yml
index ade82e7f..57399547 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -16,8 +16,12 @@
     - node_exporter_configure
     - node_exporter_run
 
+- command: "/usr/local/bin/node_exporter --version &>/dev/stdout|grep 'version {{ node_exporter_version}}'|awk '{print $3}'"
+  register: node_exporter_current_version
+
 - import_tasks: install.yml
   become: true
+  when: node_exporter_current_version != node_exporter_version
   tags:
     - node_exporter_install