diff --git a/Dockerfile.alpine b/Dockerfile.alpine
index ac56ba27..045dc831 100644
--- a/Dockerfile.alpine
+++ b/Dockerfile.alpine
@@ -1,4 +1,4 @@
-FROM golang:1.23-alpine3.20 AS builder
+FROM golang:1.23-alpine3.21 AS builder
 
 ENV GOFLAGS="-mod=readonly"