diff --git a/.ci/test.sh b/.ci/test.sh
index 690ca7be91cc..334b6210cd74 100755
--- a/.ci/test.sh
+++ b/.ci/test.sh
@@ -109,6 +109,7 @@ if [[ $TASK == "lint" ]]; then
         'include-what-you-use>=0.23' \
         'matplotlib-base>=3.9.1' \
         'mypy>=1.11.1' \
+        'ninja>=1.12.1' \
         'pre-commit>=3.8.0' \
         'pyarrow-core>=17.0' \
         'scikit-learn>=1.5.2' \
@@ -123,7 +124,7 @@ if [[ $TASK == "lint" ]]; then
     bash ./.ci/lint-cpp.sh || exit 1
     # echo "Linting JavaScript code"
     # bash ./.ci/lint-js.sh || exit 1
-    # exit 0
+    exit 0
 fi
 
 if [[ $TASK == "check-docs" ]] || [[ $TASK == "check-links" ]]; then