diff --git a/owl/broker/build.gradle.kts b/owl/broker/build.gradle.kts
index b0eaf8b2..b9bb084a 100644
--- a/owl/broker/build.gradle.kts
+++ b/owl/broker/build.gradle.kts
@@ -40,7 +40,7 @@ kotlin {
 
 protobuf {
     protoc {
-        artifact = "com.google.protobuf:protoc:3.25.3"
+        artifact = "com.google.protobuf:protoc:4.26.1"
     }
     plugins {
         create("grpc") {
diff --git a/owl/consumer/build.gradle.kts b/owl/consumer/build.gradle.kts
index 4137b56a..7788e718 100644
--- a/owl/consumer/build.gradle.kts
+++ b/owl/consumer/build.gradle.kts
@@ -30,7 +30,7 @@ kotlin {
 
 protobuf {
     protoc {
-        artifact = "com.google.protobuf:protoc:3.25.3"
+        artifact = "com.google.protobuf:protoc:4.26.1"
     }
     plugins {
         create("grpc") {
diff --git a/owl/producer/default/build.gradle.kts b/owl/producer/default/build.gradle.kts
index 722c7de8..7875ad00 100644
--- a/owl/producer/default/build.gradle.kts
+++ b/owl/producer/default/build.gradle.kts
@@ -31,7 +31,7 @@ kotlin {
 
 protobuf {
     protoc {
-        artifact = "com.google.protobuf:protoc:3.25.3"
+        artifact = "com.google.protobuf:protoc:4.26.1"
     }
     plugins {
         create("grpc") {