diff --git a/build.gradle.kts b/build.gradle.kts
index 2a88008..6e69811 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -27,7 +27,7 @@ tasks {
 description = "Java Bindings for the OpenTelemetry Protocol (OTLP)"
 
 val grpcVersion = "1.72.0"
-val protobufVersion = "4.30.2"
+val protobufVersion = "4.31.0"
 
 repositories {
   mavenCentral()