diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1276aa20..105513d1 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -88,7 +88,7 @@ jekyll:
     BUNDLE_WITHOUT: test:coverage:assorted
   script:
     - apk --update add g++ make git
-    - bundle install
+    - bundle install --quiet
     - bundle exec rake prepare_website
     - bundle exec jekyll build -s www -d www/public
   artifacts:
@@ -108,7 +108,7 @@ coverage:
   image: "ruby:2.7-alpine"
   script:
     - apk --update add g++ make
-    - bundle install
+    - bundle install --quiet
     # this is a workaround, because simplecov doesn't support relative paths.
     #
     # https://github.com/simplecov-ruby/simplecov/issues/887
diff --git a/spec.sh b/spec.sh
index 507807c8..a9dfc28c 100755
--- a/spec.sh
+++ b/spec.sh
@@ -16,10 +16,7 @@ else
   extra="-f docker-compose-gitlab.yml -f docker-compose-${RUBY}-${VERSION}.yml"
 fi
 
-docker-compose -f docker-compose.yml ${extra} -p ci build
-docker-compose -f docker-compose.yml ${extra} -p ci up \
-  --exit-code-from httpx \
-  --abort-on-container-exit
+docker-compose -f docker-compose.yml ${extra} -p ci run httpx
 
 #
 #
diff --git a/test/support/ci/build.sh b/test/support/ci/build.sh
index 9a7b7508..c84297ba 100755
--- a/test/support/ci/build.sh
+++ b/test/support/ci/build.sh
@@ -20,7 +20,7 @@ mkdir -p "$GEM_HOME" && chmod 777 "$GEM_HOME"
 gem install bundler -v="1.17.3" --no-doc --conservative
 cd /home
 
-bundle install
+bundle install --quiet
 bundle exec rake test:ci
 
 RET=$?