diff --git a/ci/lint/04_install.sh b/ci/lint/01_install.sh
similarity index 97%
rename from ci/lint/04_install.sh
rename to ci/lint/01_install.sh
index c1e39dc93e2..a00d95da73a 100755
--- a/ci/lint/04_install.sh
+++ b/ci/lint/01_install.sh
@@ -6,6 +6,8 @@
 
 export LC_ALL=C
 
+set -o errexit -o pipefail -o xtrace
+
 export CI_RETRY_EXE="/ci_retry --"
 
 pushd "/"
diff --git a/ci/lint_imagefile b/ci/lint_imagefile
index 9da3747e083..b32380769de 100644
--- a/ci/lint_imagefile
+++ b/ci/lint_imagefile
@@ -12,7 +12,7 @@ ENV LC_ALL=C.UTF-8
 COPY ./ci/retry/retry /ci_retry
 COPY ./.python-version /.python-version
 COPY ./ci/lint/container-entrypoint.sh /entrypoint.sh
-COPY ./ci/lint/04_install.sh /install.sh
+COPY ./ci/lint/01_install.sh /install.sh
 
 RUN /install.sh && \
   echo 'alias lint="./ci/lint/06_script.sh"' >> ~/.bashrc && \
diff --git a/ci/lint_run_all.sh b/ci/lint_run_all.sh
index ab3f4392dcb..427e24e17fb 100755
--- a/ci/lint_run_all.sh
+++ b/ci/lint_run_all.sh
@@ -13,6 +13,6 @@ cp "./ci/retry/retry" "/ci_retry"
 cp "./.python-version" "/.python-version"
 mkdir --parents "/test/lint"
 cp --recursive "./test/lint/test_runner" "/test/lint/"
-set -o errexit; source ./ci/lint/04_install.sh
+set -o errexit; source ./ci/lint/01_install.sh
 set -o errexit
 ./ci/lint/06_script.sh
diff --git a/test/lint/README.md b/test/lint/README.md
index a0ae2132712..7c3798cdefd 100644
--- a/test/lint/README.md
+++ b/test/lint/README.md
@@ -54,7 +54,7 @@ or `--help`:
 | `py_lint` | [ruff](https://github.com/astral-sh/ruff)
 | markdown link check | [mlc](https://github.com/becheran/mlc)
 
-In use versions and install instructions are available in the [CI setup](../../ci/lint/04_install.sh).
+In use versions and install instructions are available in the [CI setup](../../ci/lint/01_install.sh).
 
 Please be aware that on Linux distributions all dependencies are usually available as packages, but could be outdated.