diff --git a/package.json b/package.json
index 446fd30f..a7fe13d0 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
     "@google-cloud/projectify": "^4.0.0",
     "@google-cloud/promisify": "^4.0.0",
     "arrify": "^2.0.1",
-    "dot-prop": "^6.0.0",
+    "dot-prop": "^9.0.0",
     "eventid": "^2.0.0",
     "extend": "^3.0.2",
     "gcp-metadata": "^6.0.0",