diff --git a/debian/patches/0440-use-github-markup.patch b/debian/patches/0440-use-github-markup.patch
new file mode 100644
index 0000000000..d4bd2fd5dc
--- /dev/null
+++ b/debian/patches/0440-use-github-markup.patch
@@ -0,0 +1,13 @@
+Index: gitlab/Gemfile
+===================================================================
+--- gitlab.orig/Gemfile
++++ gitlab/Gemfile
+@@ -137,7 +137,7 @@ gem 'seed-fu', '~> 2.3', '>= 2.3.7'
+ # Markdown and HTML processing
+ gem 'html-pipeline', '~> 2.8'
+ gem 'deckar01-task_list', '2.0'
+-gem 'gitlab-markup', '~> 1.6', '>= 1.6.4'
++gem 'github-markup', '~> 1.6', '>= 1.6.4'
+ gem 'redcarpet', '~> 3.4'
+ gem 'commonmarker', '~> 0.17'
+ gem 'RedCloth', '~> 4.3', '>= 4.3.2'
diff --git a/debian/patches/series b/debian/patches/series
index 92d318083f..e786bdedaf 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -10,6 +10,7 @@
 0410-relax-dropzonejs-rails.patch
 0420-relax-js-regex.patch
 0430-relax-rdoc.patch
+0440-use-github-markup.patch
 0500-set-webpack-root.patch
 0510-remove-dev-dependencies.patch
 0520-add-system-lib-path-for-webpack.patch