diff --git a/Dockerfile b/Dockerfile
index 55e3e56..18ad08e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21-alpine@sha256:2414035b086e3c42b99654c8b26e6f5b1b1598080d65fd03c7f499552ff4dc94 AS builder
+FROM golang:1.26-alpine@sha256:f85330846cde1e57ca9ec309382da3b8e6ae3ab943d2739500e08c86393a21b1 AS builder
 
 # hadolint ignore=DL3018
 RUN apk --no-cache add ca-certificates git