diff --git a/Dockerfile b/Dockerfile
index 9680f1a..e0dcd4a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21.6-bullseye@sha256:c62751ac12cad0c514d941e36f846c1c440ca9e8ec08dd87d022fb03f0887a9b as build
+FROM golang:1.21.7-bullseye@sha256:1b33384a7fdb7caeddc74587925a6d932a75b56d5369703654cf123e2c80925e as build
 
 # renovate: datasource=github-tags depName=aptible/supercronic versioning=semver
 ENV SUPERCRONIC_VERSION v0.2.29