diff --git a/boms/cloud-lts-bom/pom.xml b/boms/cloud-lts-bom/pom.xml
index 61f7c8d21..869fd22d0 100644
--- a/boms/cloud-lts-bom/pom.xml
+++ b/boms/cloud-lts-bom/pom.xml
@@ -51,7 +51,7 @@
     <!-- Layer 1: Core -->
     <guava.version>33.1.0-jre</guava.version>
     <autovalue.version>1.10.4</autovalue.version>
-    <protobuf.version>3.25.4</protobuf.version>
+    <protobuf.version>3.25.5</protobuf.version>
     <io.grpc.version>1.62.2</io.grpc.version>
     <google-http-client.version>1.44.1</google-http-client.version>
     <google-oauth-client.version>1.35.0</google-oauth-client.version>