diff --git a/alertmanager-ntfy/Containerfile b/alertmanager-ntfy/Containerfile
index 8f45f75..d2a7bdb 100644
--- a/alertmanager-ntfy/Containerfile
+++ b/alertmanager-ntfy/Containerfile
@@ -1,5 +1,4 @@
-ARG TAG=latest
-FROM docker.io/golang:${TAG} as builder
+FROM docker.io/golang:latest as builder
 ARG CGO_ENABLED=0
 WORKDIR /app