diff --git a/pom.xml b/pom.xml
index 1086961..9ae4217 100644
--- a/pom.xml
+++ b/pom.xml
@@ -82,7 +82,7 @@
     <!-- from armeria-grpc or grpc-google-cloud-trace-v1 whichever is higher -->
     <grpc.version>1.66.0</grpc.version>
     <!-- from grpc-protobuf -->
-    <protobuf.version>3.25.3</protobuf.version>
+    <protobuf.version>3.25.5</protobuf.version>
     <guava.version>32.1.3</guava.version>
 
     <!-- stackdriver deps -->