diff --git a/.travis.yml b/.travis.yml
index d76fc89cc..1425f6b05 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,6 @@
 language: node_js
 node_js:
-  - "9"
+  - "10"
   - "4"
   - "6"
   - "8"
diff --git a/package.json b/package.json
index e3991150d..2f11edf0b 100644
--- a/package.json
+++ b/package.json
@@ -175,7 +175,7 @@
     "nssocket": "0.6.0",
     "pidusage": "^1.2.0",
     "pm2-axon": "3.1.0",
-    "pm2-axon-rpc": "0.5.0",
+    "pm2-axon-rpc": "^0.5.1",
     "pm2-deploy": "^0.3.9",
     "pm2-multimeter": "^0.1.2",
     "pmx": "^1.6",
diff --git a/test/programmatic/watcher.js b/test/programmatic/watcher.js
index dd4067c5d..c0e172728 100644
--- a/test/programmatic/watcher.js
+++ b/test/programmatic/watcher.js
@@ -172,7 +172,7 @@ describe('Watcher', function() {
 
       pm2.describe('server-watch', function(err, d) {
         should(d[0].pm2_env.restart_time).eql(2)
-        fs.unlink(path)
+        fs.unlinkSync(path)
         return cb()
       })
     })