diff --git a/Dockerfile b/Dockerfile
index 05e3dfa..08e759a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.25.0 AS build
+FROM golang:1.25.3@sha256:6d4e5e74f47db00f7f24da5f53c1b4198ae46862a47395e30477365458347bf2 AS build
 WORKDIR /src
 
 COPY . .