diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..2596daa
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,17 @@
+name: ci
+
+on:
+  pull_request:
+
+jobs:
+  build_runner:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+      attestations: write
+    steps:
+      - uses: actions/checkout@v4
+      - uses: extractions/setup-just@v1
+      - name: Docker build
+        run: just build
diff --git a/dockerfile b/dockerfile
index dc5aa1b..75b2d2e 100644
--- a/dockerfile
+++ b/dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/actions/actions-runner:2.320.0
+FROM ghcr.io/actions/actions-runner:2.321.0
 
 USER root
 
@@ -19,8 +19,11 @@ RUN apt-get install -y --no-install-recommends \
     unzip \
     pkg-config \
     apt-transport-https \
-    ca-certificates && \
-    rm -rf /var/lib/apt/lists/*
+    ca-certificates \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN curl --proto '=https' --tlsv1.2 -sSf https://just.systems/install.sh | bash -s -- --to /usr/bin
+RUN just --version
 
 # Copy the start script and make it executable
 COPY start.sh /start.sh
diff --git a/justfile b/justfile
index 0732ce3..cfd694a 100644
--- a/justfile
+++ b/justfile
@@ -1,6 +1,6 @@
 
 IMAGE_NAME:="ghcr.io/rustunit/github-runner"
-IMAGE_TAG:="0.1.0"
+IMAGE_TAG:="0.2.0"
 
 build:
     docker build -t {{IMAGE_NAME}}:latest .