diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index a00071e..ae2509b 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -12,6 +12,8 @@ concurrency:
 jobs:
   build:
     runs-on: ubuntu-22.04
+    env:
+      RUNNER_TOOL_CACHE: /toolcache
 
     steps:
       - name: Set up Docker environment
diff --git a/Dockerfile b/Dockerfile
index 7a9ee31..8147564 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM scratch as base
+FROM scratch AS base
 WORKDIR /builder
 COPY . .