diff --git a/build.gradle.kts b/build.gradle.kts
index ac19870..7a68105 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -108,7 +108,7 @@ protobuf {
     val reactorId = "reactor"
     val krotoId = "kroto"
     protoc {
-        artifact = "com.google.protobuf:protoc:3.14.0"
+        artifact = "com.google.protobuf:protoc:3.15.6"
     }
     plugins {
         id(grpcId) {