diff --git a/build.gradle.kts b/build.gradle.kts
index 6947e50d..8ae50606 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -70,7 +70,7 @@ subprojects {
         set("guavaVersion", "33.3.1-jre")
         set("confluentVersion", "7.7.1")
         set("jacksonVersion", "2.18.0")
-        set("protobufVersion", "3.25.5")
+        set("protobufVersion", "4.28.3")
         set("medeiaValidatorVersion", "1.1.0")
         set("junitVersion", "5.11.1")
         set("mockitoVersion", "5.14.1")
diff --git a/kafka/build.gradle.kts b/kafka/build.gradle.kts
index c67ee36b..b50a62d0 100644
--- a/kafka/build.gradle.kts
+++ b/kafka/build.gradle.kts
@@ -35,7 +35,7 @@ dependencies {
     api("io.confluent:kafka-protobuf-serializer:$confluentVersion")
     api("io.confluent:kafka-streams-protobuf-serde:$confluentVersion")
     api("io.confluent:kafka-streams-avro-serde:$confluentVersion")
-    api("com.google.protobuf:protobuf-java:3.25.3")
+    api("com.google.protobuf:protobuf-java:4.28.3")
 
     implementation(project(":parser"))