diff --git a/ci/go.mod b/ci/go.mod
index e176404..8fd39d1 100644
--- a/ci/go.mod
+++ b/ci/go.mod
@@ -17,7 +17,7 @@ require (
 	go.opentelemetry.io/otel/sdk v1.27.0
 	go.opentelemetry.io/otel/sdk/log v0.3.0
 	go.opentelemetry.io/otel/trace v1.27.0
-	go.opentelemetry.io/proto/otlp v1.3.1
+	go.opentelemetry.io/proto/otlp v1.4.0
 	golang.org/x/exp v0.0.0-20231110203233-9a3e6036ecaa
 	golang.org/x/sync v0.8.0
 	google.golang.org/grpc v1.65.0
diff --git a/helm/go.mod b/helm/go.mod
index d24d147..08dd7f1 100644
--- a/helm/go.mod
+++ b/helm/go.mod
@@ -15,7 +15,7 @@ require (
 	go.opentelemetry.io/otel/sdk v1.27.0
 	go.opentelemetry.io/otel/sdk/log v0.3.0
 	go.opentelemetry.io/otel/trace v1.27.0
-	go.opentelemetry.io/proto/otlp v1.3.1
+	go.opentelemetry.io/proto/otlp v1.4.0
 	golang.org/x/exp v0.0.0-20231110203233-9a3e6036ecaa
 	golang.org/x/sync v0.8.0
 	google.golang.org/grpc v1.65.0