diff --git a/package.json b/package.json
index 89e0474..9acc5b7 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "protobufjs": "7.4.0"
   },
   "devDependencies": {
-    "@grpc/proto-loader": "^0.7.0",
+    "@grpc/proto-loader": "^0.8.0",
     "@google-cloud/spanner": "^6.0.0",
     "c8": "^7.7.2",
     "google-auth-library": "^8.0.0",