diff --git a/Dockerfile b/Dockerfile
index f502864..69a490c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.23.2 as deps
+FROM golang:1.23.2@sha256:ad5c126b5cf501a8caef751a243bb717ec204ab1aa56dc41dc11be089fafcb4f as deps
 WORKDIR /build
 ADD go.* /build
 RUN go mod download