diff --git a/pom.xml b/pom.xml
index b506e273..75347092 100644
--- a/pom.xml
+++ b/pom.xml
@@ -29,7 +29,7 @@
     </scm>
     <properties>
         <grpc.version>1.61.1</grpc.version>
-        <protobuf.version>3.25.3</protobuf.version> <!-- Must match version used by grpc-protobuf -->
+        <protobuf.version>3.25.5</protobuf.version> <!-- Must match version used by grpc-protobuf -->
         <bouncycastle.version>1.78</bouncycastle.version>
         <httpclient.version>4.5.14</httpclient.version>
         <javadoc.version>3.6.3</javadoc.version>