diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1836653..79fc48c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,5 +1,5 @@
 default:
-  image: golang:1.16.5-alpine
+  image: golang:1.21.5-alpine
 
 stages:
   - lint
diff --git a/Dockerfile b/Dockerfile
index 9b5d159..14078db 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.16.5-alpine as builder
+FROM golang:1.21.5-alpine as builder
 
 RUN apk update && \
     apk add --no-cache git ca-certificates && \