diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 4e760aa..31c5175 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -7,8 +7,8 @@ p8eScopeSdk = "0.6.2"
 ## Protocol Buffers
 grpc = "1.45.0"
 krotoPlus = "0.6.1"
-protobuf = "3.20.1"
-protobuf_gradle_plugin = "0.8.18"
+protobuf = "3.20.3"
+protobuf_gradle_plugin = "0.8.19"
 protocGenValidate = "0.6.7"
 ## Jackson
 jackson_kotlin = "2.13.5"
diff --git a/proto/build.gradle.kts b/proto/build.gradle.kts
index bfd3e73..6a67769 100644
--- a/proto/build.gradle.kts
+++ b/proto/build.gradle.kts
@@ -33,6 +33,6 @@ dependencies {
 protobuf {
     protoc {
         // The artifact spec for the Protobuf Compiler
-        artifact = "com.google.protobuf:protoc:3.20.1"
+        artifact = "com.google.protobuf:protoc:3.20.3"
     }
 }