diff --git a/Dockerfile b/Dockerfile
index d07ff89..17ee799 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21.11-bullseye@sha256:5115ecb0dda7f9208d28cfc63657aff9321d4c5f6178f439f7509f8a874ad1bb as build
+FROM golang:1.21.12-bullseye@sha256:3374714f2493368336512aab484ad1fc8806fd24abf9dc0ddd3d9a25965e4e9e as build
 
 # renovate: datasource=github-tags depName=aptible/supercronic versioning=semver
 ENV SUPERCRONIC_VERSION v0.2.29