diff --git a/package.json b/package.json
index 13bb342..3d21b03 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "js-yaml": "^3.12.0",
     "junit-report-builder": "^1.3.1",
     "lodash.get": "^4.4.2",
-    "os-locale": "^3.0.1",
+    "os-locale": "^4.0.0",
     "plugin-error": "^1.0.1",
     "string-width": "^3.0.0",
     "term-size": "^1.2.0",