diff --git a/backend/common/pom.xml b/backend/common/pom.xml
index 1eb601b336..602245bffc 100644
--- a/backend/common/pom.xml
+++ b/backend/common/pom.xml
@@ -205,7 +205,7 @@
         <dependency>
             <groupId>com.google.protobuf</groupId>
             <artifactId>protobuf-java-util</artifactId>
-            <version>3.25.1</version>
+            <version>4.26.1</version>
         </dependency>
         <!-- https://mvnrepository.com/artifact/com.h2database/h2 -->
         <dependency>
diff --git a/pom.xml b/pom.xml
index dafec6a6d0..fe1a52ae3f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
         <log4j.version>2.23.1</log4j.version>
         <grpc.version>1.62.2</grpc.version>
         <prometheus.version>0.16.0</prometheus.version>
-        <protobuf.version>3.25.2</protobuf.version>
+        <protobuf.version>4.26.1</protobuf.version>
         <aws.version>1.12.656</aws.version>
         <aws.java.sdk.v2.version>2.25.2</aws.java.sdk.v2.version>
         <jackson.version>2.17.0</jackson.version>