diff --git a/kaldb/pom.xml b/kaldb/pom.xml
index 024c745d6b..aa9a7a367b 100644
--- a/kaldb/pom.xml
+++ b/kaldb/pom.xml
@@ -17,7 +17,7 @@
         <javac.target>21</javac.target>
         <uberjar.name>kaldb</uberjar.name>
         <http.core.version>4.4.16</http.core.version>
-        <protobuf.version>3.25.0</protobuf.version>
+        <protobuf.version>3.25.2</protobuf.version>
         <grpc.version>1.60.1</grpc.version>
         <micrometer.version>1.11.0</micrometer.version>
         <armeria.version>1.26.4</armeria.version>