diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 99fa40e..2abdfef 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -5,4 +5,4 @@ on:
 
 jobs:
   build-containers:
-    uses: g3rv4/actions/.github/workflows/dotnet-webapp.yml@v1
+    uses: g3rv4/actions/.github/workflows/dotnet-webapp.yml@v1.1
diff --git a/Dockerfile b/Dockerfile
index 00d17ce..31d3bd2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,5 @@
-# syntax=docker/dockerfile:1
-
 ARG ARCH=
-FROM mcr.microsoft.com/dotnet/sdk:8.0.100-1-alpine3.18-${ARCH} AS builder
+FROM mcr.microsoft.com/dotnet/sdk:8.0.100-1-alpine3.18 AS builder
 WORKDIR /src
 COPY src /src/
 RUN dotnet publish -c Release /src/FakeRelay.sln -o /app