diff --git a/Dockerfile b/Dockerfile
index 795fc96..c1ab717 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.24 AS build
+FROM golang:1.24@sha256:54528d189affe7ce60840cad093d53360705d47d71ea74d62eef72c476242fe9 AS build
 
 ARG GITLAB_USER
 ARG GITLAB_TOKEN