diff --git a/package.json b/package.json
index 94aa64f..78abf02 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
   "license": "MIT",
   "dependencies": {
     "spawn-command": "^0.0.2-1",
-    "ps-tree": "^1.1.0"
+    "ps-tree": "1.2.0"
   },
   "devDependencies": {
     "all-contributors-cli": "^3.0.6",