diff --git a/google-cloud-spanner/pom.xml b/google-cloud-spanner/pom.xml
index 3b0c0a6116..18ed9364e3 100644
--- a/google-cloud-spanner/pom.xml
+++ b/google-cloud-spanner/pom.xml
@@ -282,7 +282,7 @@
com.google.api.grpc
grpc-google-cloud-monitoring-v3
- 3.77.0
+ 3.78.0
test