diff --git a/gradle.properties b/gradle.properties
index a43030c3..aa7e9fc4 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -5,7 +5,7 @@ version = 3.0-SNAPSHOT
 annotationsVersion = 24.1.0
 graphQLJavaVersion = 22.1
 mockWebServerVersion = 4.12.0
-protobufVersion = 4.27.1
+protobufVersion = 4.28.1
 slf4jVersion = 2.0.13
 springBootVersion = 3.3.0
 springGraphQLVersion = 1.3.0