diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index c1263b3..05dc553 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -7,7 +7,7 @@ p8eScopeSdk = "0.6.4"
 ## Protocol Buffers
 grpc = "1.45.0"
 krotoPlus = "0.6.1"
-protobuf = "3.20.1"
+protobuf = "3.20.3"
 protobuf_gradle_plugin = "0.8.18"
 protocGenValidate = "0.6.7"
 ## Jackson