diff --git a/libs.versions.toml b/libs.versions.toml
index 2b645b70..2d61d44a 100644
--- a/libs.versions.toml
+++ b/libs.versions.toml
@@ -10,8 +10,8 @@ swagger = "2.2.28"
 tika = "3.0.0"
 owl = "0.0.1"
 jackson = "2.18.2"
-protobuf = "4.28.1"
 grpc-java = "1.70.0"
+protobuf = "4.29.3"
 grpc-kotlin = "1.4.1"
 
 [libraries]