diff --git a/Dockerfile b/Dockerfile
index 71f2d9bd..8901ac68 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 ARG DOCKER_GEN_VERSION=main
 
 # Build docker-gen from scratch
-FROM golang:1.17.8-alpine as go-builder
+FROM golang:1.18.0-alpine as go-builder
 
 ARG DOCKER_GEN_VERSION
 WORKDIR /build
diff --git a/Dockerfile.debian b/Dockerfile.debian
index 9fc3aa36..a1ae1609 100644
--- a/Dockerfile.debian
+++ b/Dockerfile.debian
@@ -1,7 +1,7 @@
 ARG DOCKER_GEN_VERSION=main
 
 # Build docker-gen from scratch
-FROM golang:1.17.8 as go-builder
+FROM golang:1.18.0 as go-builder
 
 ARG DOCKER_GEN_VERSION
 
diff --git a/go.mod b/go.mod
index 656f7f81..b023191b 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/nginx-proxy/docker-gen
 
-go 1.17
+go 1.18
 
 require (
 	github.com/BurntSushi/toml v1.1.0