diff --git a/.github/workflows/test-self-hosted.yml b/.github/workflows/test-self-hosted.yml
index 8536fc3..bb672d6 100644
--- a/.github/workflows/test-self-hosted.yml
+++ b/.github/workflows/test-self-hosted.yml
@@ -25,6 +25,8 @@ jobs:
     runs-on:
       - self-hosted
     timeout-minutes: 1000
+    container:
+      image: ubuntu:22.04
     strategy:
       fail-fast: false
       matrix:
@@ -34,6 +36,23 @@ jobs:
         # https://developer.nvidia.com/cuda-toolkit-archive
         cuda-version: ["11.8.0", "12.8.1"]
     steps:
+      - name: Install tools
+        run: |
+          sudo apt-get update && sudo apt-get install -y \
+            curl \
+            ca-certificates \
+            sudo \
+            software-properties-common \
+            wget \
+            unzip \
+            zip \
+            git \
+            build-essential \
+            gcc \
+            g++ \
+            clang \
+            ninja-build
+
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
diff --git a/self-hosted-runner/Dockerfile b/self-hosted-runner/Dockerfile
index 51f36d3..f231690 100644
--- a/self-hosted-runner/Dockerfile
+++ b/self-hosted-runner/Dockerfile
@@ -11,7 +11,8 @@ ARG TARGET_ARCH="x64"
 ENV DEBIAN_FRONTEND=noninteractive \
     AGENT_TOOLSDIRECTORY=/opt/hostedtoolcache
 
-RUN mkdir -p /opt/hostedtoolcache
+RUN mkdir -p /opt/hostedtoolcache \
+    && chown -R ubuntu:ubuntu /opt/hostedtoolcache
 
 RUN apt-get update && apt-get install -y --no-install-recommends\
     curl \