diff --git a/.actrc b/.actrc
new file mode 100644
index 00000000..6eb74fe4
--- /dev/null
+++ b/.actrc
@@ -0,0 +1,2 @@
+-P ubuntu-latest=catthehacker/ubuntu:act-latest
+--artifact-server-path=/tmp/act-artifacts
diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index cbaf4ec6..34dc69f5 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -40,7 +40,7 @@ jobs:
     name: Validate (composer + pint)
     runs-on: ubuntu-latest
     container:
-      image: php:8.3-cli
+      image: mcr.microsoft.com/devcontainers/php:8.3
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -86,7 +86,7 @@ jobs:
     name: Test (PHPUnit)
     runs-on: ubuntu-latest
     container:
-      image: php:8.3-cli
+      image: mcr.microsoft.com/devcontainers/php:8.3
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -204,7 +204,7 @@ jobs:
     name: Security audit
     runs-on: ubuntu-latest
     container:
-      image: php:8.3-cli
+      image: mcr.microsoft.com/devcontainers/php:8.3
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -251,7 +251,7 @@ jobs:
     name: Deploy to shared hosting (PHP)
     runs-on: ubuntu-latest
     container:
-      image: php:8.3-cli
+      image: mcr.microsoft.com/devcontainers/php:8.3
     if: github.ref == 'refs/heads/main' || github.ref == 'refs/heads/master'
     needs: [test, build, security]
     environment: