diff --git a/.dockerignore b/.dockerignore
index 59bdefa..2422ad0 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -1,10 +1,15 @@
+*.pyc
+*.pyd
+*.pyo
 .appends
+.dockerignore
 .git
+.gitattributes
 .github
 .gitignore
-.gitattributes
-.dockerignore
 Dockerfile
+__pycache__
 bin/run-in-docker.sh
 bin/run-tests-in-docker.sh
 test/
+venv/
diff --git a/Dockerfile b/Dockerfile
index b386620..1f00736 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,15 +1,19 @@
-FROM python:3.13.5-alpine3.22
+FROM python:3.13-alpine3.23
 
 COPY requirements.txt /requirements.txt
 
-RUN pip install -r /requirements.txt
-
 RUN apk update && apk upgrade\
- && apk --no-cache add curl bash\
+ && apk --no-cache add bash\
  && apk cache clean
 
+
+RUN --mount=type=cache,target=/root/.cache/pip\
+ PYTHONDONTWRITEBYTECODE=1\
+ pip install --no-compile  --no-cache\
+ -r /requirements.txt
+
 COPY . /opt/test-runner
 
 WORKDIR /opt/test-runner
 
-ENTRYPOINT ["sh", "/opt/test-runner/bin/run.sh" ]
\ No newline at end of file
+ENTRYPOINT ["sh", "/opt/test-runner/bin/run.sh" ]
diff --git a/test/example-syntax-error/results.json b/test/example-syntax-error/results.json
index 7974e51..23512eb 100644
--- a/test/example-syntax-error/results.json
+++ b/test/example-syntax-error/results.json
@@ -1,7 +1,7 @@
 {
    "version":3,
    "status":"error",
-   "message":"  /usr/local/lib/python3.13/site-packages/_pytest/python.py:498: in importtestmodule\n    mod = import_path(\n/usr/local/lib/python3.13/site-packages/_pytest/pathlib.py:587: in import_path\n    importlib.import_module(module_name)\n/usr/local/lib/python3.13/importlib/__init__.py:88: in import_module\n    return _bootstrap._gcd_import(name[level:], package, level)\n           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n<frozen importlib._bootstrap>:1387: in _gcd_import\n    ???\n<frozen importlib._bootstrap>:1360: in _find_and_load\n    ???\n<frozen importlib._bootstrap>:1331: in _find_and_load_unlocked\n    ???\n<frozen importlib._bootstrap>:935: in _load_unlocked\n    ???\n/usr/local/lib/python3.13/site-packages/_pytest/assertion/rewrite.py:186: in exec_module\n    exec(co, module.__dict__)\ntest/example-syntax-error/example_syntax_error_test.py:4: in <module>\n    from example_syntax_error import hello\nE     File \"./test/example-syntax-error/example_syntax_error.py\", line 3\nE       def hello();\nE                  ^\nE   SyntaxError: expected ':'",
+   "message":"  /usr/local/lib/python3.13/site-packages/_pytest/python.py:498: in importtestmodule\n    mod = import_path(\n/usr/local/lib/python3.13/site-packages/_pytest/pathlib.py:587: in import_path\n    importlib.import_module(module_name)\n/usr/local/lib/python3.13/importlib/__init__.py:88: in import_module\n    return _bootstrap._gcd_import(name[level:], package, level)\n           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n<frozen importlib._bootstrap>:1395: in _gcd_import\n    ???\n<frozen importlib._bootstrap>:1360: in _find_and_load\n    ???\n<frozen importlib._bootstrap>:1331: in _find_and_load_unlocked\n    ???\n<frozen importlib._bootstrap>:935: in _load_unlocked\n    ???\n/usr/local/lib/python3.13/site-packages/_pytest/assertion/rewrite.py:186: in exec_module\n    exec(co, module.__dict__)\ntest/example-syntax-error/example_syntax_error_test.py:4: in <module>\n    from example_syntax_error import hello\nE     File \"./test/example-syntax-error/example_syntax_error.py\", line 3\nE       def hello();\nE                  ^\nE   SyntaxError: expected ':'",
    "tests":[
 
    ]