diff --git a/Dockerfile b/Dockerfile
index 6bc98e7008040d72da11a13e26474401e2492900..39b65f27b3857ff7b715236a18c5710151571140 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/library/golang:1.20.7 as build-env
+FROM docker.io/library/golang:1.21.0 as build-env
 
 # renovate: datasource=git-tags depName=https://git.shivering-isles.com/github-mirror/AdguardTeam/dnsproxy.git
 ARG DNSPROXY_VERSION=v0.54.0