diff --git a/Dockerfile b/Dockerfile
index 54fb9f0..6258f7d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.24.0 AS builder_go
+FROM golang:1.24.0@sha256:3f7444391c51a11a039bf0359ee81cc64e663c17d787ad0e637a4de1a3f62a71 AS builder_go
 WORKDIR /web-app-template
 RUN go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest
 RUN go install github.com/a-h/templ/cmd/templ@latest