diff --git a/Dockerfile b/Dockerfile
index b4eebe6..07d7ef6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.24-alpine3.21 AS build
+FROM golang:1.25-alpine3.21@sha256:0c9f3e09a50a6c11714dbc37a6134fd0c474690030ed07d23a61755afd3a812f AS build
 
 WORKDIR /app