diff --git a/packages/google-cloud-language/package.json b/packages/google-cloud-language/package.json
index 34f46843b84..166ac4d2f82 100644
--- a/packages/google-cloud-language/package.json
+++ b/packages/google-cloud-language/package.json
@@ -56,7 +56,7 @@
     "arrify": "^1.0.1",
     "extend": "^3.0.0",
     "google-gax": "^0.10.0",
-    "google-proto-files": "^0.8.5",
+    "google-proto-files": "^0.9.1",
     "is": "^3.0.1",
     "propprop": "^0.3.1",
     "string-format-obj": "^1.1.0"