diff --git a/pom.xml b/pom.xml
index 8303074cb..965924527 100644
--- a/pom.xml
+++ b/pom.xml
@@ -137,7 +137,7 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-bigqueryconnection-v1</artifactId>
-        <version>2.70.0</version>
+        <version>2.88.0</version>
         <scope>test</scope>
       </dependency>
       <dependency>