diff --git a/Dockerfile b/Dockerfile
index f05f079..47ac607 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21.2 as builder
+FROM golang:1.21.3 as builder
 
 ENV MODULE=github.com/soerenschneider/acmevault
 ENV CGO_ENABLED=0