diff --git a/pom.xml b/pom.xml
index 380dd7a5a33..3c75f900723 100644
--- a/pom.xml
+++ b/pom.xml
@@ -103,7 +103,11 @@
         <artifactId>google-cloud-spanner</artifactId>
         <version>6.66.0</version><!-- {x-version-update:google-cloud-spanner:current} -->
       </dependency>
-
+      <dependency>
+        <groupId>com.google.protobuf</groupId>
+        <artifactId>protobuf-java</artifactId>
+        <version>3.25.5</version>
+      </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-shared-dependencies</artifactId>