diff --git a/Dockerfile b/Dockerfile
index ba7b4d5..fb8a174 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.17.8-bullseye@sha256:d5ae02b623787a6ee3c22b14851c1225f9aaf1610850b40278cdda4c099ea215 as supercronic
+FROM golang:1.18.0-bullseye@sha256:d2910b0318d7e10ba05268a0f0a47c40cb888d466d6a389dfd0ed297c39eb72f as supercronic
 
 # renovate: datasource=github-tags depName=aptible/supercronic versioning=semver
 ENV SUPERCRONIC_VERSION v0.1.12