diff --git a/rails/gitlab-ci.yml b/rails/gitlab-ci.yml
index 78970ee3485361aa0a0ba95ed992f7b6f9faaebc..6f1d1c3196e7688cc56f77885be1ff038ca47d3c 100644
--- a/rails/gitlab-ci.yml
+++ b/rails/gitlab-ci.yml
@@ -19,6 +19,7 @@ rubocop:
   script:
     - wget --quiet "https://git-ce.rwth-aachen.de/noc-public/noc-netze-gitlab-cicd/-/raw/main/rails/rubocop.yml" -O ".rubocop.yml"
     - gem install rubocop:1.75.2 rubocop-capybara:2.22.1 rubocop-minitest:0.38.0 rubocop-performance:1.25.0 rubocop-rails:2.31.0 --silent
+    - gem install itc-gem_rubocop:0.1.0 --source=https://noc-portal.itc.rwth-aachen.de/geminabox --silent
     - rubocop
 
 erb_lint:
@@ -30,6 +31,7 @@ erb_lint:
     - wget --quiet "https://git-ce.rwth-aachen.de/noc-public/noc-netze-gitlab-cicd/-/raw/main/rails/rubocop.yml" -O ".rubocop.yml"
     - wget --quiet "https://git-ce.rwth-aachen.de/noc-public/noc-netze-gitlab-cicd/-/raw/main/rails/erb_lint.yml" -O ".erb_lint.yml"
     - gem install rubocop:1.75.2 rubocop-capybara:2.22.1 rubocop-minitest:0.38.0 rubocop-performance:1.25.0 rubocop-rails:2.31.0 erb_lint:0.9.0 --silent
+    - gem install itc-gem_rubocop:0.1.0 --source=https://noc-portal.itc.rwth-aachen.de/geminabox --silent
     - erb_lint --lint-all --allow-no-files true
 
 haml_lint:
@@ -41,6 +43,7 @@ haml_lint:
     - wget --quiet "https://git-ce.rwth-aachen.de/noc-public/noc-netze-gitlab-cicd/-/raw/main/rails/rubocop.yml" -O ".rubocop.yml"
     - wget --quiet "https://git-ce.rwth-aachen.de/noc-public/noc-netze-gitlab-cicd/-/raw/main/rails/haml-lint.yml" -O ".haml-lint.yml"
     - gem install rubocop:1.75.2 rubocop-capybara:2.22.1 rubocop-minitest:0.38.0 rubocop-performance:1.25.0 rubocop-rails:2.31.0 haml_lint:0.62.0 --silent
+    - gem install itc-gem_rubocop:0.1.0 --source=https://noc-portal.itc.rwth-aachen.de/geminabox --silent
     - haml-lint
 
 brakeman:
diff --git a/rails/rubocop.yml b/rails/rubocop.yml
index 210249d47130855ae95757381b639e197477af71..736523e178f3bc40205e0627dfd55b4de440e5fb 100644
--- a/rails/rubocop.yml
+++ b/rails/rubocop.yml
@@ -1,8 +1,10 @@
 inherit_from: "https://git-ce.rwth-aachen.de/noc-public/noc-netze-gitlab-cicd/-/raw/main/rails/rubocop/rubocop-base.yml"
 
 plugins:
+  - itc-gem_rubocop
   - rubocop-capybara
 
+# gem "itc-gem_rubocop", "0.1.0", require: false
 # gem "rubocop", "1.75.2", require: false
 # gem "rubocop-capybara", "2.22.1", require: false
 # gem "rubocop-minitest", "0.38.0", require: false