diff --git a/Dockerfile b/Dockerfile
index 1715379..02092fa 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21.3-alpine AS builder
+FROM golang:1.21.4-alpine AS builder
 WORKDIR /src/
 COPY go.mod go.mod
 COPY go.sum go.sum
diff --git a/go.mod b/go.mod
index 87a397d..9da1580 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/sap-contributions/prometheus-logstash-exporter
 
-go 1.21.3
+go 1.21.5
 
 require github.com/prometheus/client_golang v1.17.0