diff --git a/package.json b/package.json
index 89e0474..ac7fe7a 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
   },
   "devDependencies": {
     "@grpc/proto-loader": "^0.7.0",
-    "@google-cloud/spanner": "^6.0.0",
+    "@google-cloud/spanner": "^8.0.0",
     "c8": "^7.7.2",
     "google-auth-library": "^8.0.0",
     "google-gax": "^3.0.0",