diff --git a/.drone.yml b/.drone.yml
index 1c546a9..dd6cbdd 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -5,7 +5,7 @@ name: default
 
 steps:
 - name: test
-  image: golang:1.20.5
+  image: golang:1.23.4
   volumes:
   - name: deps
     path: /go
@@ -31,6 +31,6 @@ steps:
       from_secret: harbor_password
 ---
 kind: signature
-hmac: 004f812ff29a1e2546eeafbf449c36c901f69b5f2591f83152eebde7258453fd
+hmac: d92e5a575088ed17ad15dbf7bf34f79f1d6b61c09d8b05fc7aab58f94c011e01
 
 ...
diff --git a/Dockerfile b/Dockerfile
index 9f49344..4da8a04 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,11 @@
-FROM golang:1.20.5-alpine AS build
+FROM golang:1.23.4-alpine AS build
 RUN apk --no-cache add git
 
 WORKDIR /go/src/github.com/abh/geoipapi
 ADD . /go/src/github.com/abh/geoipapi
 RUN go install -v ./...
 
-FROM alpine:3.18
+FROM alpine:3.21
 USER root
 RUN apk --no-cache add ca-certificates
 RUN apk --no-cache upgrade
diff --git a/go.mod b/go.mod
index 646dbe5..4ae1b54 100644
--- a/go.mod
+++ b/go.mod
@@ -2,6 +2,8 @@ module go.ntppool.org/geoipapi
 
 go 1.23
 
+toolchain go1.24rc1
+
 require (
 	github.com/oschwald/geoip2-golang v1.11.0
 	go.ntppool.org/common v0.3.0