diff --git a/Dangerfile b/Dangerfile
index 39c6730e2bd991d6fc3eb6c5f273586cbaa6445f..65776fb507599d65894aec0972da2e06af13cf78 100644
--- a/Dangerfile
+++ b/Dangerfile
@@ -3,12 +3,7 @@
 require 'gitlab-dangerfiles'
 
 Gitlab::Dangerfiles.for_project(self) do |gitlab_dangerfiles|
-  gitlab_dangerfiles.config.files_to_category = {
-    %r{\Adoc/.*(\.(md|png|gif|jpg))\z} => :docs,
-    %r{\A(CONTRIBUTING|LICENSE|README|REVIEWING|STYLE)(\.md)?\z} => :docs,
-
-    %r{.*} => [nil]
-  }.freeze
+  gitlab_dangerfiles.config.files_to_category = {}.freeze
 
   Dir.each_child('danger/rules') do |rule|
     danger.import_dangerfile(path: "danger/rules/#{rule}")
diff --git a/Gemfile b/Gemfile
new file mode 100644
index 0000000000000000000000000000000000000000..92a1411641f29fa39b7c04899ebbc2886221d36a
--- /dev/null
+++ b/Gemfile
@@ -0,0 +1,4 @@
+
+source 'https://rubygems.org'
+
+gem 'gitlab-dangerfiles', git: 'https://gitlab.com/gitlab-org/ruby/gems/gitlab-dangerfiles.git', ref: 'enable-codeowner-for-simple_roulette'
diff --git a/Gemfile.lock b/Gemfile.lock
new file mode 100644
index 0000000000000000000000000000000000000000..acd5c7e36a6a1b78b4d807f5aaf7ab5b53724410
--- /dev/null
+++ b/Gemfile.lock
@@ -0,0 +1,86 @@
+GIT
+  remote: https://gitlab.com/gitlab-org/ruby/gems/gitlab-dangerfiles.git
+  revision: 207c36379ccaf37a7592b03c0d41cee7b97eb24d
+  ref: enable-codeowner-for-simple_roulette
+  specs:
+    gitlab-dangerfiles (3.10.0)
+      danger (>= 8.4.5)
+      danger-gitlab (>= 8.0.0)
+      rake
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    addressable (2.8.4)
+      public_suffix (>= 2.0.2, < 6.0)
+    claide (1.1.0)
+    claide-plugins (0.9.2)
+      cork
+      nap
+      open4 (~> 1.3)
+    colored2 (3.1.2)
+    cork (0.3.0)
+      colored2 (~> 3.1)
+    danger (9.3.1)
+      claide (~> 1.0)
+      claide-plugins (>= 0.9.2)
+      colored2 (~> 3.1)
+      cork (~> 0.1)
+      faraday (>= 0.9.0, < 3.0)
+      faraday-http-cache (~> 2.0)
+      git (~> 1.13)
+      kramdown (~> 2.3)
+      kramdown-parser-gfm (~> 1.0)
+      no_proxy_fix
+      octokit (~> 6.0)
+      terminal-table (>= 1, < 4)
+    danger-gitlab (8.0.0)
+      danger
+      gitlab (~> 4.2, >= 4.2.0)
+    faraday (2.7.6)
+      faraday-net_http (>= 2.0, < 3.1)
+      ruby2_keywords (>= 0.0.4)
+    faraday-http-cache (2.5.0)
+      faraday (>= 0.8)
+    faraday-net_http (3.0.2)
+    git (1.18.0)
+      addressable (~> 2.8)
+      rchardet (~> 1.8)
+    gitlab (4.19.0)
+      httparty (~> 0.20)
+      terminal-table (>= 1.5.1)
+    httparty (0.21.0)
+      mini_mime (>= 1.0.0)
+      multi_xml (>= 0.5.2)
+    kramdown (2.4.0)
+      rexml
+    kramdown-parser-gfm (1.1.0)
+      kramdown (~> 2.0)
+    mini_mime (1.1.2)
+    multi_xml (0.6.0)
+    nap (1.1.0)
+    no_proxy_fix (0.1.2)
+    octokit (6.1.1)
+      faraday (>= 1, < 3)
+      sawyer (~> 0.9)
+    open4 (1.3.4)
+    public_suffix (5.0.1)
+    rake (13.0.6)
+    rchardet (1.8.0)
+    rexml (3.2.5)
+    ruby2_keywords (0.0.5)
+    sawyer (0.9.2)
+      addressable (>= 2.3.5)
+      faraday (>= 0.17.3, < 3)
+    terminal-table (3.0.2)
+      unicode-display_width (>= 1.1.1, < 3)
+    unicode-display_width (2.4.2)
+
+PLATFORMS
+  x86_64-linux
+
+DEPENDENCIES
+  gitlab-dangerfiles!
+
+BUNDLED WITH
+   2.2.33