diff --git a/observability-tracing-opensearch/Dockerfile b/observability-tracing-opensearch/Dockerfile
index d3f3e842..7d063924 100644
--- a/observability-tracing-opensearch/Dockerfile
+++ b/observability-tracing-opensearch/Dockerfile
@@ -1,7 +1,7 @@
 # Copyright 2026 The OpenChoreo Authors
 # SPDX-License-Identifier: Apache-2.0
 
-FROM golang:1.27.0-alpine3.23 AS builder
+FROM golang:1.27.1-alpine3.23 AS builder
 
 WORKDIR /app
 COPY go.mod go.sum* ./