diff --git a/Dockerfile b/Dockerfile
index e1a9f1b..129e1fc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.18.2-alpine as builder
+FROM golang:1.18.3-alpine as builder
 
 WORKDIR /go/src/github.com/systemli/prometheus-jicofo-exporter