diff --git a/package.json b/package.json
index b493dee..2572fc6 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "protobufjs": "^7.6.3"
   },
   "devDependencies": {
-    "@google-cloud/spanner": "^6.0.0",
+    "@google-cloud/spanner": "^8.0.0",
     "@grpc/proto-loader": "^0.7.0",
     "@types/node": "^18.19.130",
     "c8": "^7.7.2",